Results for "K. J. Satzinger"

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Unidirectional Distributed Acoustic Reflection Transducers for Quantum ApplicationsMay 08 2019Recent significant advances in coupling superconducting qubits to acoustic wave resonators has led to demonstrations of quantum control of surface and bulk acoustic resonant modes as well Wigner tomography of quantum states in these modes. These advances ... More
Violating Bell's inequality with remotely-connected superconducting qubitsAug 09 2018Oct 17 2018Quantum communication relies on the efficient generation of entanglement between remote quantum nodes, due to entanglement's key role in achieving and verifying secure communications. Remote entanglement has been realized using a number of different probabilistic ... More
Phonon-mediated quantum state transfer and remote qubit entanglementMar 13 2019Phonons, and in particular surface acoustic wave phonons, have been proposed as a means to coherently couple distant solid-state quantum systems. Recent experiments have shown that superconducting qubits can control and detect individual phonons in a ... More
Quantum control of surface acoustic wave phononsApr 19 2018The superposition of quantum states is one of the hallmarks of quantum physics, and clear demonstrations of superposition have been achieved in a number of quantum systems. However, mechanical systems have remained a challenge, with only indirect demonstrations ... More
Probing spin-phonon interactions in silicon carbide with Gaussian acousticsApr 29 2018Aug 04 2018Hybrid spin-mechanical systems provide a platform for integrating quantum registers and transducers. Efficient creation and control of such systems require a comprehensive understanding of the individual spin and mechanical components as well as their ... More
Assessing the Usability of a Novel System for Programming EducationNov 15 2017The authors present the results of a simple usability test performed on line_explorer, an innovative tool aimed at letting students explore programming. The system offers an interactive environment where students can learn, review, and practice programming ... More
Production of transverse energy from minijets in next-to-leading order perturbative QCDFeb 01 2000Jun 13 2000We compute in next-to-leading order (NLO) perturbative QCD the transverse energy carried into the central rapidity unit of hadron or nuclear collisions by the partons freed in the few-GeV subcollisions. The formulation is based on a rapidity window and ... More
Lower limits for E_T and N_ch from pQCD & hydrodynamics at the central rapidity unit in central Au-Au collisions at RHICJun 21 1999Final state average transverse energy and charged particle multiplicity at the central rapidity unit of central Au-Au collisions at RHIC are studied within a framework of lowest order perturbative QCD and Bjorken's hydrodynamical picture. In particular, ... More
Mixed States of Composite Fermions Carrying Two and Four VorticesOct 09 2000There now exists preliminary experimental evidence for some fractions, such as $\nu$ = 4/11 and 5/13, that do not belong to any of the sequences $\nu=n/(2pn\pm 1)$, $p$ and $n$ being integers. We propose that these states are mixed states of composite ... More
Roton Instability of the Spin Wave Excitation in the Fully Polarized Quatum Hall State and the Phase Diagram at $ν= 2$Jan 04 2000We consider the effect of interactions on electrons confined to two dimensions at Landau level filling $\nu=2$, with the specific aim to determine the range of parameters where the fully polarized state is stable. We calculate the charge and the spin ... More
Baryon-to-entropy ratio in very high energy nuclear collisionsOct 10 1996We compute as a function of rapidity $y$ the baryon number carried by quarks and antiquarks with $p_T > p_0 \approx$ 2 GeV produced in Pb+Pb collisions at TeV energies. The computation is carried out in lowest order QCD perturbation theory using structure ... More
Heavy ion collision multiplicities and gluon distribution functionsJun 28 2001Atomic number ($A$) and energy ($\roots$) scaling exponents of multiplicity and transverse energy in heavy ion collisions are analytically derived in the perturbative QCD + saturation model. The exponents depend on the small-$x$ behaviour of gluon distribution ... More
Dynamical Objectivity in Quantum Brownian MotionJan 05 2015Nov 17 2015Classical objectivity as a property of quantum states---a view proposed to explain the observer-independent character of our world from quantum theory, is an important step in bridging the quantum-classical gap. It was recently derived in terms of spectrum ... More
Preperiodic points for rational functions defined over a rational function field of characteristic zeroMay 28 2015Aug 27 2015Let $k$ be an algebraic closed field of characteristic zero. Let $K$ be the rational function field $K=k(t)$. Let $\phi$ be a non isotrivial rational function in $K(z)$. We prove a bound for the cardinality of the set of $K$--rational preperiodic points ... More
Can We Detect Tachyons Now?May 07 2003An exact solution of the Einstein-Maxwell equations enables us to construct a hypothesis on the production of tachyons. The hypothesis determines the kinematical relations for the produced tachyon. It also makes possible to estimate the empiric conditions ... More
Realization of the spectrum generating algebra for the generalized Kratzer potentialsAug 09 2010The dynamical symmetries of the Kratzer-type molecular potentials (generalized Kratzer molecular potentials) are studied by using the factorization method. The creation and annihilation (ladder) operators for the radial eigenfunctions satisfying quantum ... More
Non-real zeros of derivatives of meromorphic functionsApr 14 2014Nov 11 2014A number of results are proved concerning non-real zeros of derivatives of real and strictly non-real meromorphic functions in the plane
Linear differential polynomials in zero-free meromorphic functionsSep 01 2016The paper determines all meromorphic functions with finitely many zeros in the plane having the property that a linear differential polynomial in the function, of order at least 3 and with rational functions as coefficients, also has finitely many zeros. ... More
Chemical and Thermal Freeze-Out Parameters from 1 to 200 A.GeVMar 28 1999Jul 20 1999The present knowledge about hadrons produced in relativistic heavy ion collisions is compatible with chemical freeze-out happening when the energy density divided by the particle density reaches the value of 1 GeV. This observation is used to determine ... More
Age and Metallicity Estimation of Globular Clusters from Stromgren PhotometryDec 08 2004We present a new technique for the determination of age and metallicity in composite stellar populations using Stromgren filters. Using principal component (PC) analysis on multi-color models, we isolate the range of values necessary to uniquely determine ... More
Tests of Chemical Enrichment Scenarios in Ellipticals Using Continuum Colors and SpectroscopyOct 22 2008We combine spectroscopic metallicity values with integrated narrowband continuum colors to explore the internal metallicity distribution in early-type galaxies. The different techniques for determining metallicity (indices versus colors) allows for an ... More
Inelastic tunneling through mesoscopic structuresDec 09 1998Our objective is to study resonant tunneling of an electron in the presence of inelastic scattering by optical phonons. Using a recently developed technique, based on exact mapping of a many-body problem onto a one-body problem, we compute transmission ... More
Strongly correlated multilayered nanostructures near the Mott transitionAug 10 2004We examine devices constructed out of multilayered sandwiches of semi-infinite metal--barrier--semi-infinite metal, with the barrier tuned to lie near the quantum critical point of the Mott metal-insulator transition. By employing dynamical mean field ... More
Formation and Evolution of Quark-Gluon Plasma at RHIC and LHCMar 07 1995Mar 09 1995Initial conditions for quark-gluon plasma formation at $\tau=0.1\fm$ are considered in lowest order perturbative QCD. Chemical composition, thermalization of the formed semihard quark-gluon system and especially implications of the new HERA parton distributions ... More
Photometric survey of stellar clusters in the outer part of M33. II. Analysis of HST/ACS imagesMar 06 2009Mar 24 2009We have used deep ACS/WFC images of M33 to check nature of extended objects detected by the ground based survey of Zloczewski et al. (2008). A total of 24 candidates turned out to be genuine compact stellar clusters. In addition we detected 91 new clusters. ... More
Degenerations of abelian surfaces and Hodge structuresApr 12 1994Apr 20 1994In this paper the authors consider a certain toroidal compactification of the moduli space of degenerations of (1,p)-polarized abelian surfaces with (canonical) level structure. Using Hodge theory we give a proof that a degenerate abelian surface associated ... More
Latitude migration of solar filamentsFeb 25 2010The Carte Synoptique catalogue of solar filaments from March 1919 to December 1989, corresponding to complete cycles 16 to 21 is utilized to show latitudinal migration of filaments at low latitudes (less than 50 deg), and the latitudinal drift of solar ... More
Two-loop Perturbative Quark Mass Renormalization from Large Beta Monte CarloNov 02 2000We present the calculation of heavy Wilson quark mass renormalization constants from large beta Monte Carlo simulations. Simulations were performed at various beta larger than 9, each on several spatial lattice sizes to allow for an infinite volume extrapolation. ... More
The Nature of the Giant Outbursts in the Bursting Pulsar GRO J 1744-28May 20 1996We investigate the possible role of an accretion disk instability in producing the giant outbursts seen in GRO J1744-28. Specifically, we study the global, time dependent evolution of the Lightman-Eardley instability which can develop near the inner edge ... More
Quantum dynamics of the harmonic oscillator on a cylinderAug 13 2013Evolution of coherent states is considered for a particle confined to a cylinder moving in a harmonic oscillator potential. Because of the discontinuous changes as time goes by of the phase representing the position of a particle on a parallel (circle) ... More
The Bargmann representation for the quantum mechanics on a sphereNov 16 2000The Bargmann representation is constructed corresponding to the coherent states for a particle on a sphere introduced in: K. Kowalski and J. Rembielinski, J. Phys. A: Math. Gen. 33, 6035 (2000). The connection is discussed between the introduced formalism ... More
Quantum Jumps on a CircleOct 18 2000It is demonstrated that in contrast to the well-known case with a quantum particle moving freely in a real line, the wave packets corresponding to the coherent states for a free quantum particle on a circle do not spread but develop periodically in time. ... More
Coherent states for a particle on a sphereDec 21 1999The coherent states for a particle on a sphere are introduced. These states are labelled by points of the classical phase space, that is the position on the sphere and the angular momentum of a particle. As with the coherent states for a particle on a ... More
The Salpeter equation and probability current in the relativistic Hamiltonian quantum mechanicsOct 24 2011The probablity current for a quantum spinless relativistic particle is introduced based on the Hamiltonian dynamics approach utilizing the Salpeter equation as an alternative of the Klein-Gordon equation. The correctness of the presented formalism is ... More
Nonequilibrium evolution and symmetry structure of the large-N $Φ^4$ model at finite temperatureMar 31 2000Apr 18 2000We consider the large-N $\Phi^4$ theory with spontaneously broken symmetry at finite temperature. We study, in the large-N limit, quantum states which are characterized by a time dependent, spatially homogenous expectation value of one of the field components, ... More
Structure of even-even Cadmium isotopes from the beyond-mean-field interacting boson modelFeb 07 2018The structure of even-even $^{108-116}$Cd isotopes is investigated based on the self-consistent mean-field approach. By mapping the quadrupole-$(\beta,\gamma)$ deformation energy surface, obtained from the constrained self-consistent mean-field calculations ... More
Magnetization process and magnetocaloric effect of the spin-1/2 XXZ Heisenberg cuboctahedronNov 14 2016Magnetic properties of the spin-1/2 XXZ Heisenberg cuboctahedron are examined using exact numerical diagonalization depending on a relative strength of the exchange anisotropy. While the Ising cuboctahedron exhibits in a low-temperature magnetization ... More
Measurement of Ultra-Low Potassium Contaminations with Accelerator Mass SpectrometryMay 01 2007Levels of trace radiopurity in active detector materials is a subject of major concern in low-background experiments. Among the radio-isotopes, $\k40$ is one of the most abundant and yet whose signatures are difficult to reject. Procedures were devised ... More
Transport in gapped bilayer graphene: the role of potential fluctuationsAug 04 2010We employ a dual-gated geometry to control the band gap \Delta in bilayer graphene and study the temperature dependence of the resistance at the charge neutrality point, RNP(T), from 220 to 1.5 K. Above 5 K, RNP(T) is dominated by two thermally activated ... More
Real-Part Estimates for Solutions of the Riesz System in $\mathbb{R}^3$Apr 07 2010Main goal of this paper is to generalize Hadamard's real part theorem and invariant forms of Borel-Carath\'eodory's theorem from complex analysis to solutions of the Riesz system in the three-dimensional Euclidean space in the framework of quaternionic ... More
On the development of Bohr's phenomenon in the context of Quaternionic analysis and related problemsApr 07 2010The Bohr theorem states that any function $f(z) = \sum_{n=0}^{\infty} a_{n} z^{n}$, analytic and bounded in the open unit disk, obeys the inequality $\sum_{n=0}^{\infty} |a_{n}| |z|^{n} < 1$ in the open disk of radius 1/3, the so-called Bohr radius. Moreover, ... More
Generalised dimensions of measures on almost self-affine setsNov 04 2009We establish a generic formula for the generalised q-dimensions of measures supported by almost self-affine sets, for all q>1. These q-dimensions may exhibit phase transitions as q varies. We first consider general measures and then specialise to Bernoulli ... More
On the frequentist validity of Bayesian limitsNov 25 2016Nov 27 2017To the frequentist who computes posteriors, not all priors are useful asymptotically: in this paper Schwartz's 1965 Kullback-Leibler condition is generalised to enable frequentist interpretation of convergence of posterior distributions with the complex ... More
A Frame Bundle Generalization of Multisymplectic Momentum MappingsNov 21 2001This paper presents generalized momentum mappings for covariant Hamiltonian field theories. The new momentum mappings arise from a generalization of symplectic geometry to $L_VY$, the bundle of vertically adapted linear frames over the bundle of field ... More
Mathematical models for chemotaxis and their applications in self-organisation phenomenaJun 22 2018Jun 25 2018Chemotaxis is a fundamental guidance mechanism of cells and organisms, responsible for attracting microbes to food, embryonic cells into developing tissues, immune cells to infection sites, animals towards potential mates, and mathematicians into biology. ... More
On a Class of Symplectic Similarity Transformation MatricesFeb 24 2002We present a class of symplectic matrices which transform by similarity given $2n\times 2n$ -dimensional matrix into Bunse-Gerstner form. If the given matrix is skew-Hamiltonian, the transformation gives a solution of an antisymmetric Riccati matrix equation, ... More
Density wave patterns for fermionic dipolar molecules on a square optical lattice: Mean-field-theory analysisFeb 03 2011We model a system of ultracold fermionic dipolar molecules on a two-dimensional square lattice. Assuming that the molecules are in their nondegenerate hyperfine ground state, and that the dipole moment is polarized perpendicular to the plane (as in the ... More
Transverse energy from minijets in ultrarelativistic nuclear collisions: a next-to-leading order analysisOct 27 2000We compute in next-to-leading order (NLO) perturbative QCD the amount of transverse energy produced into a rapidity region $\Delta Y$ of a nuclear collision from partons created in the few-GeV subcollisions. The NLO formulation assumes collinear factorization ... More
TBA for the Toda chainJun 15 2010We give a direct derivation of a proposal of Nekrasov-Shatashvili concerning the quantization conditions of the Toda chain. The quantization conditions are formulated in terms of solutions to a nonlinear integral equation similar to the ones coming from ... More
Information transfer during the universal gravitational decoherenceDec 28 2016Nov 09 2017Recently Pikovski et al. have proposed in [ Pikovski I et al. 2015 Nature Phys. 11, 668] an intriguing universal decoherence mechanism, suggesting that gravitation may play a conceptually important role in the quantum-to-classical transition, albeit vanishingly ... More
Turning cool star X-ray spectra upside downOct 28 2004H1504+65 is a young white dwarf with an effective temperature of 200,000 K and is the hottest post-AGB star ever analysed with detailed model atmospheres. Chandra LETG+HRC-S spectra have revealed the richest X-ray absorption line spectrum recorded from ... More
Structure in the Lyman-Alpha ForestSep 10 1997The spatial distribution of Ly-alpha forest absorption systems toward a group of 8, closely spaced QSOs has been analysed and evidence for large scale structure has been found at <z> = 2.8. Our technique is based on the first and second moments of the ... More
Centrality dependence of multiplicities in ultrarelativistic nuclear collisionsSep 21 2000We compute the centrality dependence of multiplicities of particles produced in ultrarelativistic nuclear collisions at various energies and atomic numbers. The computation is carried out in perturbative QCD with saturated densities of produced gluons ... More
The Solar Photospheric-to-Coronal Fe abundance from X-ray Fluorescence LinesDec 23 2011The ratio of the Fe abundance in the photosphere to that in coronal flare plasmas is determined by X-ray lines within the complex at 6.7~keV (1.9~\AA) emitted during flares. The line complex includes the He-like Fe (\fexxv) resonance line $w$ (6.70~keV) ... More
Collapse and control of the MnAu$_{2}$ spin-spiral state through pressure and dopingAug 31 2015Jan 29 2016MnAu$_{2}$ is a spin-spiral material with in-plane ferromagnetic Mn layers that form a screw-type pattern around a tetragonal $c$ axis. The spiral angle $\theta$ was shown using neutron diffraction experiments to decrease with pressure, and in later studies ... More
Atmospheric multiple scattering of fluorescence light from extensive air showers and effect of the aerosol size on the reconstruction of energy and depth of maximumNov 21 2013Mar 17 2014The reconstruction of the energy and the depth of maximum $X_{\rm max}$ of an extensive air shower depends on the multiple scattering of fluorescence photons in the atmosphere. In this work, we explain how atmospheric aerosols, and especially their size, ... More
Unified Description of Freeze-Out Parameters in Relativistic Heavy Ion CollisionsAug 12 1998Aug 13 1998It is shown that the chemical freeze-out parameters obtained at CERN/SPS, BNL/AGS and GSI/SIS energies all correspond to a unique value of 1 GeV per hadron in the local rest frame of the system, independent of the beam energy and of the target and beam ... More
Polarimetry of optically selected BL Lac candidates from the SDSSMar 16 2011We present and discuss polarimetric observations of 182 targets drawn from an optically selected sample of 240 probable BL Lac candidates out of the SDSS compiled by Collinge et al. (2005). In contrast to most other BL Lac candidate samples extracted ... More
How light can the Higgs be?Aug 19 2003It is widely believed that, for a given Top mass, the Higgs mass has a lower bound: if m_Higgs is too small, the Higgs vacuum is unstable due to Top dynamics. From vacuum instability, the state-of-the-art calculation of the lower bound is close to the ... More
Note on Anisotropy of Resistivity in Hidden Ordered State of URu_2Si_2Jan 20 2010On an assumption that the HO is the antiferro-quadrupolar order with \Gamma_{5} (Q_{z(x+y)} and Q_{z(x-y)}) symmetry, the anisotropy in temperature dependence of resistivity (\rho_{c}\propto T^{2}, and \rho_{ab}\propto T) in the HO phase of URu_2Si_2 ... More
The large CP phase in B(s) - anti-B(s) mixing and Unparticle PhysicsJun 26 2008Jan 12 2009In this work we investigate the contribution to B(d,s) mixing from both scalar and vector unparticles in a number of scenarios. The emphasis of this work is to show the impact of the recently discovered 3 sigma evidence for new physics found in the CP ... More
Self-Tuning Dark Energy in Brane World CosmologyAug 25 2000Recently, the self-tuning mechanism of cancellation of vacuum energy has been proposed in which our universe is a flat 3-brane in a 5-dimensional spacetime. In this letter, the self-tuning mechanism of dark energy is proposed by considering the cosmological ... More
Non-LTE effects in neutron star atmospheresJul 07 2000We present the first non-LTE model atmospheres for neutron stars (NS). We study their structure and NLTE effects on the emergent thermal radiation of old isolated NS.
Minijets in ultrarelativistic heavy ion collisions at RHIC and LHCOct 15 1996Recent results on minijet production in nuclear collisions at the RHIC and LHC energies are reviewed. Initial conditions of the QGP at $\tau=0.1$ fm$/c$, especially parton chemistry, thermalization and net baryon number-to-entropy ratio are discussed. ... More
The Paradox of Charmonium ProductionNov 16 1999Nov 24 1999The CDF preliminary analysis on polarized charmonium production at moderate transverse momentum, $p_T \sim 4 - 20$ GeV, severely challenges the color octet model (COM), which predicts quarkonium to be transversely polarized with increasing $p_T$. Based ... More
The Ages of Dwarf EllipticalsDec 03 2003We present narrow band photometry of 91 dwarf ellipticals in the Coma and Fornax clusters taken through the Stromgren (uvby) filter system. Dividing the sample by dwarf morphology into nucleated (dEN) and non-nucleated (dE) dwarfs reveals two distinct ... More
The Charm Quark Mass to Two-Loop OrderOct 16 2001The truncation of the perturbative series at one loop order for the mass renormalization constants remain a significant systematic uncertainty in the determination of heavy quark masses in lattice QCD. We present here a high beta Monte Carlo calculation ... More
Comments on Bosonization of the extended Thirring Model with SU(2) SymmetryDec 25 2001Bosonization of the extended Thirring model with SU(2) symmetry in the Minkowski path integral method is discussed. We argue that it is not an easy task to bosonize such a model if we derive correctly the fermion determinant which is induced with the ... More
Measurement of triple gauge boson couplings a an e-gamma colliderOct 05 2004Nov 26 2004If no light Higgs boson exists, the interaction among the gauge bosons becomes strong at high energies (~1TeV). The effects of strong electroweak symmetry breaking (SEWSB) could manifest themselves indirectly as anomalous couplings before they give rise ... More
Color Superconductivity and Chiral Symmetry Restoration at Nonzero Baryon Density and TemperatureApr 06 1998Sep 14 1998We explore the phase diagram of strongly interacting matter as a function of temperature and baryon number density, using a class of models for two-flavor QCD in which the interaction between quarks is modelled by that induced by instantons. Our treatment ... More
Quantum beats of the rigid rotorSep 23 2013The dynamics is investigated of a free particle on a sphere (rigid rotor or rotator) that is initially in a coherent state. The instability of coherent states with respect to the free evolution leads to nontrivial time-development of averages of observables ... More
The $δ$-deformation of the Fock spaceDec 28 1999A deformation of the Fock space based on the finite difference replacement for the derivative is introduced. The deformation parameter is related to the dimension of the finite analogue of the Fock space.
Critical Exponents of O(N) Scalar Model at Temperatures below the Critical Value using Auxiliary Mass MethodMay 17 1999Jun 15 1999We investigate a phase transition of the O(N) invariant scalar model using the auxiliary mass method. We determine the critical exponent $\beta$ by calculating an effective potential below the critical temperature. This work follows that of a previous ... More
Nuclear Liquid Drop Model with the Surface-Curvature Terms: New Perspectives for the Hyperdeformation StudiesMay 02 2002Nuclear liquid drop model is revisited and an explicit introduction of the surface-curvature terms is presented. The corresponding parameters of the extended classical energy formula are adjusted to the contemporarily known nuclear binding energies and ... More
Topography of the hot sphaleron TransitionsJul 20 1992By numerical simulations in {\it real time} we provide evidence in favour of sphaleron like transitions in the hot, symmetric phase of the electroweak theory. Earlier performed observations of a change in the Chern-Simons number are supplemented with ... More
Coordinate-space solution of the Skyrme-Hartree-Fock-Bogolyubov equations within spherical symmetry. The program HFBRAD (v1.0)Jan 03 2005We describe the first version (v1.00) of the code HFBRAD which solves the Skyrme-Hartree-Fock or Skyrme-Hartree-Fock-Bogolyubov equations in the coordinate representation within the spherical symmetry. A realistic representation of the quasiparticle wave ... More
Self-organized hierarchical structure in a plastic network of chaotic unitsNov 25 1999Nov 28 1999Formation of a layered structure is studied in a globally coupled map of chaotic units with a plastic coupling strength that changes depending on the states of units globally and an external input. In the parameter region characterized by weakly chaotic ... More
Extracting m_s From Flavor Breaking in Hadronic Tau DecaysJun 23 2000New finite energy sum rules (FESR's) for extracting m_s from hadronic tau decay data are constructed which (1) significantly reduce potential theoretical uncertainties present in existing sum rule analyses and (2) remove problems associated with both ... More
Forced Burgers Equation in an Unbounded DomainOct 01 2002Sep 18 2003The inviscid Burgers equation with random and spatially smooth forcing is considered in the limit when the size of the system tends to infinity. For the one-dimensional problem, it is shown both theoretically and numerically that many of the features ... More
Ground state cooling of a nanomechanical resonator in the weak-confinement regime via quantum interferenceFeb 23 2009Jul 15 2010Ground state cooling of a nanomechanical resonator coupled to a superconducting flux qubit is discussed. We show that by inducing quantum interference to cancel detrimental carrier excitations, ground state cooling becomes possible in the weak-confinement ... More
Abelian Chern-Simons Term in Superfluid 3He-ADec 26 1997May 21 1998We show in this paper that Abelian Chern-Simons term is induced in 2+1 and 3+1 dimensional rotating superfluid $^{3}$He-A and plays important roles in its dynamics. Because U(1) symmetry is spontaneously broken in $^{3}$He-A, Goldstone mode appears and ... More
Observation of Induced Chern-Simons Term in P- and T- violating SuperconductorsDec 29 1998Aug 03 1999We show in this letter that P- and T-odd terms of the electromagnetic potentials (P; parity, T; time reversal) are induced and lead an unusual phenomenon in P- and T-violating superconductors discovered recently. The Ginzburg-Landau action includes this ... More
Precise calculation of the two-step process for K- d -> pi Sigma N in the Lambda (1405) resonance regionFeb 20 2012The reaction K- d -> pi Sigma N is investigated taking into account single scattering and the two-step process due to Kbar N -> pi Sigma rescattering. The influence of some common approximations are examined. It is found that the treatment of the kinematics ... More
Impact of Frequentist and Bayesian Methods on Survey Sampling Practice: A Selective AppraisalAug 11 2011According to Hansen, Madow and Tepping [J. Amer. Statist. Assoc. 78 (1983) 776--793], "Probability sampling designs and randomization inference are widely accepted as the standard approach in sample surveys." In this article, reasons are advanced for ... More
A remark on the Schottky locus in genus 4Jan 02 2003We determine the class of the (closure of the) Schottky locus in genus 4 in the Igusa- and the Voronoi compactification of A_4 and comment on the weight 8 modular form which vanishes on it.
Superhumps, Magnetic Fields and the Mass-ratio in AM Canum VenaticorumOct 15 2003We show that the observed K-velocities and periodicities of AM CVn can be reconciled given a mass ratio of 0.22 and a secondary star with a modest magnetic field of surface strength of order 1 Tesla. We see that the new mass ratio implies that the secondary ... More
Trajectories escaping to infinity in finite timeJul 10 2015Jul 13 2016If the function $f$ is transcendental and meromorphic in the plane, and either $f$ has finitely many poles or its inverse function has a logarithmic singularity over infinity, then the equation $\dot z = f(z)$ has infinitely many trajectories tending ... More
A frame bundle generalization of multisymplectic field theoriesJun 10 1997This paper presents a generalization of symplectic geometry to a principal bundle over the configuration space of a classical field. This bundle, the vertically adapted linear frame bundle, is obtained by breaking the symmetry of the full linear frame ... More
Transcendental singularities for a meromorphic function with logarithmic derivative of finite lower orderJan 03 2018Jul 25 2018In this note it is shown that two key results on transcendental singularities for meromorphic functions of finite lower order have refinements which hold under the weaker hypothesis that the logarithmic derivative has finite lower order.
Linear differential polynomials in zero-free meromorphic functionsSep 01 2016Feb 02 2018The paper determines all meromorphic functions with finitely many zeros in the plane having the property that a linear differential polynomial in the function, of order at least 3 and with rational functions as coefficients, also has finitely many zeros. ... More
The Schwarzian derivative and the Wiman-Valiron propertyJul 11 2013Jul 31 2013Suppose that a transcendental meromorphic function in the plane has finitely many critical values, while its multiple points have bounded multiplicities, and its inverse function has finitely many transcendental singularities. Using the Wiman-Valiron ... More
Non-real zeros of derivatives of real meromorphic functionsMar 13 2009The main result of the paper determines all real meromorphic functions of finite order in the plane for which the first derivative has finitely many zeros, while the function itself and one of its higher derivatives have finitely many non-real zeros.
Higher moments for random multiplicative measuresNov 01 2013We obtain a condition for the $L^q$-convergence of martingales generated by random multiplicative cascade measures for $q>1$ without any self-similarity requirements on the cascades.
A capacity approach to box and packing dimensions of projections and other imagesNov 14 2017Nov 21 2018Dimension profiles were introduced by Falconer and Howroyd to provide formulae for the box-counting and packing dimensions of the orthogonal projections of a set E or a measure on Euclidean space onto almost all m-dimensional subspaces. The original definitions ... More
SMC3 as a test to the binary evolutionDec 11 2015SMC 3 is one of the most interesting symbiotic stars. This binary contains a bright K-type giant transferring mass to a massive white dwarf comanion, which makes it is a very promising SN Ia candidate. We discuss the evolutionary status of the system ... More
IAU Planet Definition: Some Confusions and Their ModificationsOct 06 2008International Astronomical Union (IAU) has passed the must needed definition of planet in its general assembly held in Prague during August 2006. The definition had to be passed by means of voting. A group of scientists who raised the banner of revolt ... More
Limits on Lorentz violation from charged-pion decayApr 30 2014Charged-pion decay offers many opportunities to study Lorentz violation. Using an effective field theory approach, we study Lorentz violation in the lepton, W-boson, and quark sectors and derive the differential pion-decay rate, including muon polarization. ... More
Activation gaps for the fractional quantum Hall effect: realistic treatment of transverse thicknessOct 18 1999The activation gaps for fractional quantum Hall states at filling fractions $\nu=n/(2n+1)$ are computed for heterojunction, square quantum well, as well as parabolic quantum well geometries, using an interaction potential calculated from a self-consistent ... More
Line identification in soft X-ray spectra of stellar coronae by comparison with the hottest white dwarf's photosphere: Procyon, alpha Cen A+B, and H1504+65Jan 13 2005H1504+65 is a young white dwarf with an effective temperature of 200,000 K and is the hottest post-AGB star ever analysed with detailed model atmospheres. Chandra LETG+HRC-S spectra have revealed the richest X-ray absorption line spectrum recorded from ... More
Two-Roton Bound State in the Fractional Quantum Hall EffectApr 27 2000The true nature of the lowest-energy, long-wavelength neutral excitation of the fractional quantum Hall effect has been a long outstanding problem. In this Letter, we establish that it is a two-roton bound state.