Latest in cond-mat.stat-mech

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Fractional Langevin equation from damped bath dynamicsMay 17 2019We consider the stochastic dynamics of a system linearly coupled to a hierarchical thermal bath with two well-separated inherent timescales: one slow, and one fast. The slow part of the bath is modeled as a set of harmonic oscillators and taken into account ... More
Magnetism of the diluted Ising antiferromagnet in a magnetic field on the Kagome lattice: single-spin cluster approximationMay 17 2019An effective-field theory based on the single-spin cluster has been used to study of a diluted spin-$1/2$ Ising antiferromagnet on the Kagome lattice with nearest-neighbor interactions. We observe five plateaus in the magnetization curve of the diluted ... More
Jamming and Tiling in Fragmentation of RectanglesMay 16 2019We investigate a stochastic process where a rectangle breaks into smaller rectangles through a series of horizontal and vertical fragmentation events. We focus on the case where both the vertical size and the horizontal size of a rectangle are discrete ... More
Yang-Baxter random fields and stochastic vertex modelsMay 16 2019Bijectivization refines the Yang-Baxter equation into a pair of local Markov moves which randomly update the configuration of the vertex model. Employing this approach, we introduce new Yang-Baxter random fields of Young diagrams based on spin $q$-Whittaker ... More
Re-entrant motility induced phase separation in nematically aligning active polar particlesMay 16 2019We present a numerical study of the phase behavior of repulsively interacting active polar particles that align their active velocities nematically. The amplitude of the active velocity, and the noise in its orientational alignment control the active ... More
Non-equilibrium probability flux of a thermally driven micromachineMay 16 2019We discuss the non-equilibrium statistical mechanics of a thermally driven micromachine consisting of three spheres and two harmonic springs [Y. Hosaka et al., J. Phys. Soc. Jpn. 86 (2017)]. We obtain the non-equilibrium steady state probability distribution ... More
Exact relaxation dynamics and quantum information scrambling in multiply quenched harmonic chainsMay 16 2019The quantum dynamics of isolated systems under quench condition exhibits a variety of interesting features depending on the integrable/chaotic nature of system. We study the exact dynamics of trivially integrable system of harmonic chains under a multiple ... More
The low-temperature phase in the two-dimensional long-range diluted XY modelMay 16 2019The critical behaviour of statistical models with long-range interactions exhibits distinct regimes as a function of $\rho$, the power of the interaction strength decay. For $\rho$ large enough, $\rho>\rho_{\rm sr}$, the critical behaviour is observed ... More
More current with less particles due to power-law hoppingMay 16 2019We show that the simple model of an ordered one-dimensional non-interacting system with power-law hopping has extremely interesting transport properties. We restrict ourselves to the case where the power-law decay exponent $\alpha>1$, so that the thermodynamic ... More
Crack formation and self-closing in shrinkable, granular packingsMay 15 2019Many clays, soils, biological tissues, foods, and coatings are shrinkable, granular materials: they are composed of packed, hydrated grains that shrink when dried. In many cases, these packings crack during drying, critically hindering applications. However, ... More
Quantum Non-demolition Measurement of a Many-Body HamiltonianMay 15 2019An ideal quantum measurement collapses the wave function of a quantum system to an eigenstate of the measured observable, with the corresponding eigenvalue determining the measurement outcome. For a quantum non-demolition (QND) observable, i.e., one that ... More
Irreversible aspects of nanoscale frictionMay 15 2019Developing the non-equilibrium thermodynamics of friction is required for systematic design of low friction surfaces for a broad range of technological applications. Intuitively, the thermodynamic work done by a material sliding along a surface is expected ... More
Polyfractal driving for engineering Hamiltonians and symmetriesMay 15 2019We propose a new protocol for engineering quantum many-body Hamiltonians with enhanced symmetries. The protocol is based on repeated pulsed application of a set of unitary operators $X_i$, with $X_i^2 = 1$, (which can be generalized to $X^n=1$, $n > 2$) ... More
Fractal structure in Yang-Mills fields and non extensivityMay 15 2019Scaling properties of Yang-Mills fields are used to show that fractal structures are expected to be present in system described by those theories. We show that the fractal structure leads to recurrence formulas that allow the determination of non perturbative ... More
Quantum chaos challenges many-body localizationMay 15 2019Characterizing states of matter through the lens of their ergodic properties is a fascinating new direction of research. In the quantum realm, the many-body localization (MBL) was proposed to be the paradigmatic nonergodic phenomenon, which extends the ... More
Carnot heat engine efficiency with a paramagnetic gasMay 15 2019Considering ideal paramagnetic medium, in this paper we deduced an expression for the thermal efficiency of Carnot heat engine with a paramagnetic gas as working substance. We found that the efficiency depends on the limits of maximum and minimal temperature ... More
Linearized regime of the generalized hydrodynamics with diffusionMay 15 2019We consider the generalized hydrodynamics including the recently introduced diffusion term for an initially inhomogeneous state in the Lieb-Liniger model. We construct a general solution to the linearized hydrodynamics equation in terms of the eigenstates ... More
Information thermodynamics for interacting stochastic systems without bipartite structureMay 15 2019Fluctuations in biochemical networks, e.g., in a living cell, have a complex origin that precludes a description of such systems in terms of bipartite or multipartite processes, as is usually done in the framework of stochastic and/or information thermodynamics. ... More
Asymptotics of correlations in the Ising model: a brief surveyMay 15 2019We present a brief survey of rigorous results on the asymptotic behavior of correlations between two local functions as the distance between their support diverges, concentrating on the Ising model on $\mathbb{Z}^d$ with finite-range ferromagnetic interactions. ... More
Thermalization of small quantum systems: From the zeroth law of thermodynamicsMay 15 2019Thermalization of isolated quantum systems has been studied intensively in recent years and significant progresses have been achieved. Here, we study thermalization of small quantum systems that interact with large chaotic environments under the consideration ... More
Violation of the mean path length invariance propertyMay 15 2019The invariance property of the mean path length is an astonishing law of Nature governing the motion of particles inside a disordered material. Whatever the strength of the disorder, the property states that the mean path length is exclusively determined ... More
Entropy-stability analysis of smoothed dissipative particle dynamicsMay 15 2019This paper performs an entropy-stability analysis of smoothed dissipative particle dynamics (SDPD). We theoretically derive a form of the entropy from the discretized Batchelor's equations of SDPD. Thereafter, we examined the physical properties of the ... More
Fractional Exclusion Statistics as an Occupancy ProcessMay 15 2019We show the possibility of describing fractional exclusion statistics (FES) as an occupancy process with global and \textit{local} exclusion constraints. More specifically, using combinatorial identities, we show that FES can be viewed as "ball-in-box" ... More
Influence of transverse field on the spin-3/2 Blume-Capel model on rectangular latticeMay 14 2019Transverse field effect on thermodynamic properties of the spin-3/2 Blume-Capel model on rectangular lattice in which the interactions in perpendicular directions differ in signs is studied within the mean field approximation. Phase diagrams in the (transverse ... More
Breakdown of electroneutrality in nanoporesMay 14 2019Ion transport in extremely narrow nanochannels has gained increasing interest in recent years due to its unique physical properties, and the technological advances that allow us to study them. It is tempting to approach this regime with the tools and ... More
Symmetry breaking bias in the dynamics of a quantum phase transition: a shortcut to adiabaticity?May 14 2019The Kibble-Zurek mechanism quantifies how much a quantum system driven across a quantum critical point fails to be adiabatic. We point out that, thanks to the divergent linear susceptibility at the critical point, even a tiny symmetry breaking bias can ... More
Disentangling Sources of Quantum Entanglement in Quench DynamicsMay 14 2019Quantum entanglement may have various origins ranging from solely interaction-driven quantum correlations to single-particle effects. Here, we explore the dependence of entanglement on (time-dependent) single-particle basis transformations in fermionic ... More
Disentangling Sources of Quantum Entanglement in Quench DynamicsMay 14 2019May 16 2019Quantum entanglement may have various origins ranging from solely interaction-driven quantum correlations to single-particle effects. Here, we explore the dependence of entanglement on (time-dependent) single-particle basis transformations in fermionic ... More
Replica Bethe Ansatz solution to the Kardar-Parisi-Zhang equation on the half-lineMay 14 2019We consider the Kardar-Parisi-Zhang (KPZ) for the stochastic growth of an interface of height $h(x,t)$ on the positive half line with boundary condition $\partial_x h(x,t)|_{x=0}=A$. It is equivalent to a continuum directed polymer (DP) in a random potential ... More
Phase diagrams of spin-3/2 Blume-Capel model on rectangular lattice under longitudinal magnetic fieldMay 14 2019The spin-3/2 Blume-Capel model on a rectangular lattice with the ferromagnetic bilinear short-range interaction $K^{\rm F}=K(1+x)$ in one direction and the anti-ferromagnetic one $K^{\rm AF}=K(-1+x)$ in the perpendicular direction under a longitudinal ... More
Stochastic thermodynamics of computationMay 14 2019One of the major resource requirements of computers - ranging from biological cells to human brains to high-performance (engineered) computers - is the energy used to run them. Those costs of performing a computation have long been a focus of research ... More
Perturbative post-quench overlaps in Quantum Field TheoryMay 14 2019In analytic descriptions of quantum quenches, the overlaps between the initial pre-quench state and the eigenstates of the time evolving Hamiltonian are crucial ingredients. We construct perturbative expansions of these overlaps in quantum field theories ... More
Static and dynamic critical exponents in elastoplastic models of amorphous solidsMay 14 2019We analyze the behavior or different elastoplastic models approaching the yielding transition. We establish a family of static universal critical exponents which do not seem to depend on the dynamic details of the model rules. On the other hand, we discuss ... More
Coevolutionary dynamics of a variant of the cyclic Lotka-Volterra model with three-agent interactionsMay 14 2019We study a variant of the cyclic Lotka-Volterra model with three-agent interactions. Inspired by a multiplayer variation of the Rock-Paper-Scissors game, the model describes an ideal ecosystem in which cyclic competition among three species develops through ... More
On the Wave Turbulence Theory for the Nonlinear Schrödinger Equation with Random PotentialsMay 14 2019We derive a new kinetic and a porous medium equations from the nonlinear Schr\"odinger equation with random potentials. The kinetic equation has a very similar form with the 4-wave turbulence kinetic equation in the wave turbulence theory. Moreover, we ... More
Geometry Effect on Black Body Radiation with Different Boundary ConditionsMay 14 2019We study the black body radiation in cavities of different geometry with different boundary conditions, and the formulas of energy spectral densities in films and rods are obtained, also the approximate energy spectral densities in cubic boxes are calculated. ... More
Nematic and gas-liquid transitions for sticky rods on square and cubic latticesMay 14 2019Using grand-canonical Monte Carlo simulations, we investigate the phase diagram of hard rods of length $L$ with additional contact (sticky) attractions on square and cubic lattices. The phase diagram shows a competition between gas-liquid and ordering ... More
Finite-size and finite-time effects in large deviation functions near dynamical symmetry breaking transitionsMay 14 2019We introduce and study a class of particle hopping models consisting of a single box coupled to a pair of reservoirs. Despite being zero-dimensional, in the limit of large particle number and long observation time, the current and activity large deviation ... More
Subdiffusive Lévy flights in quantum nonlinear Schrödinger lattices with algebraic power nonlinearityMay 14 2019We report a new result concerning the dynamics of an initially localized wave packet in quantum nonlinear Schr\"odinger lattices with a disordered potential. A class of nonlinear lattices with subquadratic power nonlinearity is considered. We show that ... More
Local Density Fluctuation Governs Divergence of Viscosity underlying Elastic and Hydrodynamic Anomalies in 2D Glass-Forming LiquidMay 14 2019If a liquid is cooled rapidly to form a glass, its structural relaxation becomes retarded, producing a drastic increase in viscosity. In two dimensions, strong long-wavelength fluctuations persist, even at low temperature, making it difficult to evaluate ... More
Quantum mechanical bound for efficiency of quantum Otto heat engineMay 14 2019The second law of thermodynamics constrains that the efficiency of heat engines, classical or quantum, cannot be greater than the universal Carnot efficiency. We discover another bound for the efficiency of a quantum Otto heat engine consisting of a harmonic ... More
Transient trapping into metastable states in systems with competing ordersMay 14 2019The quench dynamics of a system involving two competing orders is investigated using a Ginzburg-Landau theory with relaxational dynamics. Modest differences in relaxation rates of the competing orders are found lead to post quench evolution into the local ... More
Impact of global structure on diffusive exploration of planar networksMay 13 2019We investigate diffusive search on planar networks, motivated by tubular networks in cell biology that contain molecules searching for reaction partners and binding sites. Exact calculation of the diffusive mean first-passage time on a spatial network ... More
Generalized Approximate Survey Propagation for High-Dimensional EstimationMay 13 2019In Generalized Linear Estimation (GLE) problems, we seek to estimate a signal that is observed through a linear transform followed by a component-wise, possibly nonlinear and noisy, channel. In the Bayesian optimal setting, Generalized Approximate Message ... More
Dynamical purification phase transition induced by quantum measurementsMay 13 2019Continuously monitoring the environment of an open quantum many-body system reduces the entropy of (purifies) the reduced density matrix of the system, conditional on the outcome of the measurements. We show that a balanced competition between measurements ... More
SupermetalMay 13 2019We study the effect of electron interaction in an electronic system with a high-order Van Hove singularity, where the density of states shows a power-law divergence. Owing to scale invariance, we perform a renormalization group (RG) analysis to find a ... More
Virial theorem, boundary conditions, and pressure for massless Dirac electronsMay 13 2019The virial and the Hellmann--Feynman theorems for massless Dirac electrons in a solid are derived and analyzed using generalized continuity equations and scaling transformations. Boundary conditions imposed on the wave function in a finite sample are ... More
Microscopic Reversibility and Macroscopic Irreversibility: From a viewpoint of Algorithmic RandomnessMay 13 2019Emergence of deterministic and irreversible macroscopic behavior from deterministic and reversible microscopic dynamics is understood as a result of the law of large numbers. In this paper, we prove on the basis of the theory of algorithmic randomness ... More
Random walk with hyperbolic probabilitiesMay 13 2019The random walk with hyperbolic probabilities that we are introducing is an example of stochastic diffusion in a one-dimensional heterogeneous media. Although driven by site-dependent one-step transition probabilities, the process retains some of the ... More
On the ergodic theorem and information loss in statistical mechanicsMay 13 2019In this article, it is argued that, for a classical Hamiltonian system which is closed, the ergodic theorem emerge from the Gibbs-Liouville theorem in the limit that the system has evolved for an infinitely long period of time. In this limit, from the ... More
On the Gibbs-Liouville theorem in classical mechanicsMay 13 2019In this article, it is argued that the Gibbs-Liouville theorem is a mathematical representation of the statement that closed classical systems evolve deterministically. From the perspective of an observer of the system, whose knowledge about the degrees ... More
Critical properties of deterministic and stochastic sandpile models on two-dimensional percolation backboneMay 13 2019Both the deterministic and stochastic sandpile models are studied on the percolation backbone, a random fractal, generated on a square lattice in $2$-dimensions. In spite of the underline random structure of the backbone, the deterministic Bak Tang Wiesenfeld ... More
On the active Ornstein-Uhlenbeck particlesMay 13 2019Active Ornstein-Uhlenbeck particles (AOUPs) are overdamped particles in an interaction potential subject to external Ornstein-Uhlenbeck noises. They can be transformed into a system of underdamped particles under additional velocity dependent forces and ... More
Optimization of thermodynamic machinesMay 13 2019In this study, within the framework of Fokker-Planck equation, and using the method of characteristics as well as the variational method, performance of thermodynamic machines is optimized by reducing the irreversible work $W_{irr}$. Upper bounds of output ... More
Entropic long-range ordering in an adsorption-desorption modelMay 12 2019We examine a two-dimensional lattice model where particles adsorb at empty sites and desorb when the number of neighbouring particles is greater than a given threshold. In a certain range of parameters the model exhibits entropic ordering similar to some ... More
Criticality of the Higgs mass for the long-range quantum $XY$ chain: Amplitude ratio between the Higgs and paramagnetic gapsMay 12 2019The quantum $XY$ spin chain with the interactions decaying as a power law $1/r^{1+ \sigma}$ of the distance between spins $r$ was investigated with the exact diagonalization method. Here, the constituent spin is set to $S=1$, which enables us to incorporate ... More
Photon waiting time statistics: a keyhole into dissipative quantum chaosMay 11 2019Quantum systems, when interacting with their environments, can exhibit complex non-equilibrium states that are tempting to be interpreted as quantum versions of chaotic attractors. Here we propose an approach to open cavity dynamics based on the unraveling ... More
Three-state Majority-Vote Model on Barabási-Albert and Cubic Networks and the Unitary Relation for Critical ExponentsMay 11 2019We investigate the three-state majority-vote model with noise on scale-free and regular networks. In this model, an individual selects an opinion equal to the opinion of the majority of its neighbors with probability $1 - q$ and opposite to it with probability ... More
The GGE averaged currents of the classical Toda chainMay 11 2019The Toda chain with random initial data is studied. Of particular interest are generalized Gibbs ensembles, their averaged conserved fields, and the averages of the corresponding currents. While averaged fields are well-understood, the description of ... More
Statistical Mesoscopic Hydro-Thermodynamics: The Description of Kinetics and Hydrodynamics of Nonequilibrium Processes in Single LiquidsMay 11 2019Hydrodynamics, a term apparently introduced by Daniel Bernoulli (1700-1783) to comprise hydrostatic and hydraulics, has a long history with several theoretical approaches. Here, after a descriptive introduction, we present so-called mesoscopic hydro-thermodynamics, ... More
String confinement in 2-form lattice gauge theoryMay 11 2019We study the confinement between vortex strings in the dual lattice gauge theory of the abelian Higgs model. The dual lattice gauge theory is described by a 2-form gauge field. We calculate the string-antistring potential from the surface operator of ... More
Static approach to renormalization group analysis of stochastic models with spatially quenched disorderMay 11 2019A new ''static'' renormalization group approach to stochastic models of fluctuating surfaces with spatially quenched noise is proposed in which only time-independent quantities are involved. As examples, quenched versions of the Kardar-Parisi-Zhang model ... More
Competition, Collaboration and Optimization in Multiple Interacting Spreading ProcessesMay 11 2019Competition and collaboration are at the heart of multi-agent probabilistic spreading processes. The battle on public opinion and competitive marketing campaigns are typical examples of the former, while the joint spread of multiple diseases such as HIV ... More
Hubbard pair cluster with elastic interactions. Studies of thermal expansion, magnetostriction and electrostrictionMay 10 2019The pair cluster is studied within the framework of the extended Hubbard model and the grand canonical ensemble. The elastic interatomic interactions and thermal vibrational energy of the atoms are taken into account. The total grand potential is constructed, ... More
Parrondo games as disordered systemsMay 10 2019Parrondo's paradox refers to the counter-intuitive situation where a winning strategy results from a suitable combination of losing ones. Simple stochastic games exhibiting this paradox have been introduced around the turn of the millennium. The common ... More
Path sampling for collapse rates of metastable magnetic skyrmions and direct comparison with transition state theoryMay 10 2019We perform a direct comparison between transition state theory and forward flux sampling as a means to compute collapse rates of metastable magnetic skyrmions. We show that a good agreement is obtained between the two methods. We report variations of ... More
Transport coefficients of self-propelled particles. II. Numerics for vorticity fluctuations and the reverse perturbation methodMay 10 2019In Part I of this two-part series, the reverse perturbation method for shearing simple liquids [Phys. Rev. E 59, 4894 (1999)] was extended to systems of interacting particles with time-discrete stochastic dynamics. For verification, in this paper (Part ... More
A New Twist in the Realization of One-Dimensional PhysicsMay 10 2019Experimental advances in the fabrication and characterization of few-layer materials stacked at a relative twist of small angle have recently shown the emergence of flat energy bands [1-5]. As a consequence electron-interactions become relevant, providing ... More
Non-integrable dimer models: universality and scaling relationsMay 10 2019In the last few years, the methods of constructive Fermionic Renormalization Group have been successfully applied to the study of the scaling limit of several two-dimensional statistical mechanics models at the critical point, including: weakly non-integrable ... More
Competing coherent and dissipative dynamics close to quantum criticalityMay 09 2019We investigate the competition of coherent and dissipative dynamics in many-body systems at continuous quantum transitions. We consider dissipative mechanisms that can be effectively described by Lindblad equations for the density matrix of the system. ... More
Classical dynamical coarse-grained entropy and comparison with the quantum versionMay 09 2019We introduce the framework of classical Observational entropy, which is a mathematically rigorous and precise framework for non-equilibrium thermodynamics, explicitly defined in terms of a set of observables. Observational entropy can be seen as a generalization ... More
Duality and topological pumping on entanglement and disorderMay 09 2019Topological pumping and duality transformations are paradigmatic concepts in condensed matter and statistical mechanics. In this letter, we integrate them within a single scheme: we demonstrate how dualities enable us to perform topological pumping of ... More
Entropy Production in Open Systems: The Predominant Role of Intra-Environment CorrelationsMay 09 2019May 13 2019We show that the entropy production in small open systems coupled to environments made of extended baths is predominantly caused by the displacement of the environment from equilibrium rather than, as often assumed, the mutual information between the ... More
A New Quenched $XY$ model with Nonusual "Exotic" InteractionsMay 09 2019Human beings live in a networked world in which information spreads very fast thanks to the advances in technology. In the decision processes or opinion formation there are different ideas of what is collectively good but they tend to go against the self ... More
Haldane Model at finite temperatureMay 09 2019We consider the Haldane model, a 2D topological insulator whose phase is defined by the Chern number. We study its phases as temperature varies by means of the Uhlmann number, a finite temperature generalization of the Chern number. Because of the relation ... More
A lower bound to the thermal diffusivity of insulatorsMay 09 2019It has been known for decades that thermal conductivity of insulating crystals becomes proportional to the inverse of temperature when the latter is comparable to or higher than the Debye temperature. This behavior has been understood as resulting from ... More
Speeding-up a quantum refrigerator via counter-diabatic drivingMay 09 2019We study the application of a counter-diabatic driving (CD) technique to enhance the thermodynamic efficiency and power of a quantum Otto refrigerator based on a superconducting qubit coupled to two resonant circuits. Although the CD technique is originally ... More
Intervention Threshold for Epidemic Control in Susceptible-Infected-Recovered Metapopulation ModelsMay 09 2019Metapopulation epidemic models describe epidemic dynamics in networks of spatially distant patches connected with pathways for migration of individuals. In the present study, we deal with a susceptible-infected-recovered (SIR) metapopulation model where ... More
Activating critical exponent spectra with a slow driveMay 09 2019We uncover an aspect of the Kibble--Zurek phenomenology, according to which the spectrum of critical exponents of a classical or quantum phase transition is revealed by driving the system slowly in directions parallel to the phase boundary. This result ... More
A Computational Model for Bacterial Run-and-Tumble MotionMay 08 2019In our article we present a computational model for the simulation of self-propelled anisotropic bacteria. To this end we use a self-propelled particle model and augment it with a statistical algorithm for the run-and-tumble motion. We derive an equation ... More
Thermal Fracture Kinetics of Heterogeneous Semiflexible PolymersMay 08 2019The fracture and severing of polymer chains plays a critical role in the failure of fibrous materials and the regulated turnover of intracellular filaments. Using continuum wormlike chain models, we investigate the fracture of semiflexible polymers via ... More
Heat flux in one-dimensional systemsMay 08 2019Understanding heat transport in one-dimensional systems remains a major challenge in theoretical physics, both from the quantum as well as from the classical point of view. In fact, steady states of one-dimensional systems are commonly characterized by ... More
Statistical physics of flux-carrying Brownian particlesMay 08 2019Chern-Simons gauge field theory has provided a natural framework to gain deep insight about many novel phenomena in two-dimensional condensed matter, and most recently, it was shown to render a substantially richer description for quantum dissipative ... More
Three-dimensional ferromagnetic CP(N) modelsMay 08 2019We investigate the critical behavior of three-dimensional ferromagnetic CP(N) models, which are characterized by a global U(N) and a local U(1) symmetry. We perform numerical simulations of a lattice model for N=2, 3, and 4. For N=2 we find a critical ... More
Three-dimensional ferromagnetic CP(N-1) modelsMay 08 2019May 10 2019We investigate the critical behavior of three-dimensional ferromagnetic CP(N-1) models, which are characterized by a global U(N) and a local U(1) symmetry. We perform numerical simulations of a lattice model for N=2, 3, and 4. For N=2 we find a critical ... More
Relaxation of dynamically prepared out-of-equilibrium initial states within and beyond linear response theoryMay 08 2019We consider a realistic nonequilibrium protocol, where a quantum system in thermal equilibrium is suddenly subjected to an external force. Due to this force, the system is driven out of equilibrium and the expectation values of certain observables acquire ... More
Hydrodynamics of disordered marginally-stable matterMay 08 2019We study the vibrational spectra and the specific heat of disordered systems using an effective hydrodynamic framework. We consider the contribution of diffusive modes, i.e. the 'diffusons', to the density of states and the specific heat. We prove analytically ... More
Integrable many-body quantum Floquet-Thouless pumpsMay 08 2019We construct an interacting integrable Floquet model featuring quasiparticle excitations with topologically nontrivial chiral dispersion. This model is a fully quantum generalization of an integrable classical cellular automaton. We write down and solve ... More
Dynamical signatures of quantum chaos and relaxation timescales in a spin-boson systemMay 08 2019May 10 2019Quantum systems whose classical counterparts are chaotic typically have highly correlated eigenvalues and level statistics that coincide with those from ensembles of full random matrices. A dynamical manifestation of these correlations comes in the form ... More
Dynamical signatures of quantum chaos and relaxation timescales in a spin-boson systemMay 08 2019Quantum systems whose classical counterparts are chaotic typically have highly correlated eigenvalues and level statistics that coincide with those from ensembles of full random matrices. A dynamical manifestation of these correlations comes in the form ... More
Molecular dynamics simulation of entanglement spreading in generalized hydrodynamicsMay 08 2019The so-called flea gas is an elementary yet very powerful method that allows the simulation of the out-of-equilibrium dynamics after quantum quenches in integrable systems. Here we show that, after supplementing it with minimal information about the initial ... More
Smoluchowski flux and Lamb-Lion Problems for Random Walks and Lévy Flights with a Constant DriftMay 08 2019We consider non-interacting particles (or lions) performing one-dimensional random walks or L\'evy flights (with L\'evy index $1 < \mu \leq 2$) in the presence of a constant drift $c$. Initially these random walkers are uniformly distributed over the ... More
The correlated linking numbers of a Brownian loop with two arbitrary curvesMay 08 2019The standard kinetic path integral for all spatially closed Brownian paths (loops) of duration t weighted by the product mn is evaluated, where m and n are the linking numbers of the Brownian loop with two arbitrary curves in 3D space. This (unnormalized) ... More
The kinetic exclusion process: A tale of two fieldsMay 08 2019We introduce a general class of stochastic lattice gas models, and derive their fluctuating hydrodynamics description in the large size limit under a local equilibrium hypothesis. The model consists in energetic particles on a lattice subject to exclusion ... More
Driving Driven Lattice Gases to Identify Their Universality ClassesMay 08 2019The critical behavior of driven lattice gas models has been studied for decades as a paradigm to explore nonequilibrium phase transitions and critical phenomena. However, there exists a long-standing controversy in the universality classes to which they ... More
Transportless equilibration in isolated many-body quantum systemsMay 08 2019A general analytical theory of temporal relaxation processes in isolated quantum systems with many degrees of freedom is elaborated, which unifies and substantially amends several previous approximations. Specifically, the Fourier transform of the initial ... More
Multifractal dimensions for random matrices, chaotic quantum maps, and many-body systemsMay 08 2019Multifractal dimensions allow for characterizing the localization properties of states in complex quantum systems. For ergodic states the finite-size versions of fractal dimensions converge to unity in the limit of large system size. However, the approach ... More
Non-linear Fluctuating Hydrodynamics with many conserved fields: the case of a 3D anharmonic chainMay 08 2019We propose a model for a chain vibrating in 3 dimensions (3D), with first neighbors anharmonic interatomic potential which depends on their distance, and subjected to an external tension. In the framework of the non-linear fluctuating hydrodynamic theory ... More
Fluctuation Theorem of Information Exchange within an Ensemble of Paths Conditioned on Correlated-MicrostatesMay 08 2019Fluctuation theorems are a class of equalities that express universal properties of the probability distribution of a fluctuating path functional such as heat, work or entropy production over an ensemble of trajectories during a non-equilibrium process ... More
Statistics of off-diagonal entries of Wigner $K$-matrix for chaotic wave systems with absorptionMay 08 2019Using the Random Matrix Theory approach we derive explicit distributions of the real and imaginary parts for off-diagonal entries of the Wigner reaction matrix $\mathbf{K}$ for wave chaotic scattering in systems with and without time-reversal invariance, ... More