total 5349took 0.16s

Scientific Opportunities with an X-ray Free-Electron Laser OscillatorMar 18 2019An X-ray free-electron laser oscillator (XFELO) is a new type of hard X-ray source that would produce fully coherent pulses with meV bandwidth and stable intensity. The XFELO complements existing sources based on self-amplified spontaneous emission (SASE) ... More

Energy-momentum and Ricci tensors in a rotating spaceMar 10 2019Assuming that the Universe is an object of point rotation at a relic frequency, solutions of the Einstein equation are considered inside matter

Energy-momentum and Ricci tensors in a rotating spaceMar 10 2019Mar 19 2019Assuming that the Universe is an object of point rotation at a relic frequency, solutions of the Einstein equation are considered inside matter

Entropy functionals for nonholonomic geometric flows, quasiperiodic Ricci solitons, and emergent gravityMar 10 2019We investigate gravity models emerging from nonholonomic (subjected to non-integrable constraints) Ricci flows. Considering generalizations of G. Perelman's entropy functionals, relativistic geometric flow equations, nonholonomic Ricci soliton and equivalent ... More

Geometry of the Non-Compact G(2)Mar 08 2019Geometrical applications of the non-compact form of Cartan's exceptional Lie group G(2) is considered. This group generates specific rotations of 7-dimensional Minkowski-like space with three extra time-like coordinates and in some limiting cases imitates ... More

$Λ$CDM as image of open de SitterMar 06 2019Mar 16 2019The open de Sitter universe presents a cosmological model with many favorable properties, conservation of nonlocal energy in particular. Several arguments suggest that the extrinsic curvature of open de Sitter appears exclusively as curvature of time, ... More

Whether an enormously large energy density of the quantum vacuum is catastrophicMar 02 2019The problem of an enormously large energy density of the quantum vacuum is discussed in connection with the concept of renormalization of physical parameters in quantum field theory. Using the method of dimensional regularization, it is recalled that ... More

Polar solutions with tensorial connection of the spinor equationFeb 28 2019Dirac field equations are studied for spinor fields without any external interaction and when they are considered on a background having a tensorial connection with a specific non-vanishing structure some solution can be found in polar form displaying ... More

Polar solutions with tensorial connection of the spinor equationFeb 28 2019Mar 08 2019Dirac field equations are studied for spinor fields without any external interaction and when they are considered on a background having a tensorial connection with a specific non-vanishing structure some solution can be found in polar form displaying ... More

Scale Factor - Cosmic Time Relation and Occurrences of Future Cosmic Singularities with Different Redshift Parametrizations of Dark Energy EoS-sFeb 26 2019While modelling our late time cosmically accelerated universe, it is popular to involve different dark energy models, the equation of state of which can be taken as a function of the redshift and some unknown parameters. Barboza and Alcaniz have proposed ... More

Proceedings to the 21st workshop "What comes beyond the standard models", Bled June 23--July 1, 2018, with links to the talks appearing in the proceedings, and/or in arXivFeb 25 2019The contribution contains the preface to the Proceedings to the 21st Workshop "What Comes Beyond the Standard Models", Bled, June 23 - July 1, 2018, published in Bled workshops in physics, Vol.19, No. 2, DMFA-Zalo\v{z}nistvo, Ljubljana, Dec. 2018, links ... More

Universe opacity and cosmic dynamicsFeb 22 2019Equations of cosmic dynamics for a model of the opaque Universe are derived and tested on supernovae (SNe) Ia observations. The model predicts a cyclic expansion/contraction evolution of the Universe within a limited range of scale factors. The maximum ... More

An Alternative to the Lagrangian and Hamiltonian Formulations of Relativistic Field Theories Based on the Energy-Momentum TensorFeb 19 2019A Noether-enhanced Legendre transformation from Lagrange densities to energy-momentum tensors is developed into an alternative framework for formulating classical field equations. This approach offers direct access to the Hamiltonian while keeping manifest ... More

Inverse Langevin and Brillouin functions: mathematical properties and physical applicationsFeb 19 2019This paper gives a coherent and comprehensive review of the results concerning the inverse Langevin L(x) and Brillouin functions B_J (x) and of the inverse of L(x)/x and B_J (x)/x. As these functions are used in several fields of physics, without evident ... More

Apparent Geometry from the Quantum Mechanics of $Sp(8,\mathbb{C})$Feb 18 2019Restricting attention to kinematics, we develop the $C^\ast$-algebraic quantum mechanics of $Sp(8,\mathbb{C})$. The non-compact group does double duty: it furnishes the quantum Hilbert space through induced representations, and it spawns the quantum $C^\ast$-algebra ... More

The cosmological constant derived via galaxy groups and clustersFeb 15 2019The common nature of dark matter and dark energy is argued in [1] based on the approach that the cosmological constant \Lambda enters the weak-field General Relativity following from Newton theorem on the "sphere-point mass" equivalency [2]. Here we probe ... More

Theory of Images and Quantum Mechanics, a common ParadigmFeb 14 2019The Paradigms introduced in philosophy of science one century ago are shown to be quite more satisfactory of that introduced by Galileo. This is particularly evident in the physics based on Hilbert Spaces and related mathematical structures that we apply ... More

Investigation of the Influence of a field-free electrostatic Potential on the Electron Mass with Barkhausen-Kurz OscillationFeb 13 2019According to Weber's electrodynamics, Assis showed analytically, that a field-free electrostatic potential delivered by a spherical shell causes a force upon a moving electrical charge in the center of that shell. This force can be interpreted as a result ... More

Lorentz-invariant second-order tensors and an irreducible set of matricesFeb 12 2019We prove that, up to multiplication by a scalar, the Minkowski metric tensor is the only second-order tensor that is Lorentz-invariant. To prove this, we show that a specific set of three $4\times 4$ matrices, made of two rotation matrices plus a Lorentz ... More

The structure of cold neutron star with a quark core in Einstein-$Λ$ gravityFeb 11 2019Motivated by importance of the cosmological constant on structure of the hybrid neutron star. In other words, we want to investigate the structure of neutron stars by considering both the effects of the cosmological constant and the existence of quark ... More

The structure of cold neutron star with a quark core in Einstein-$Λ$ gravityFeb 11 2019Feb 19 2019Motivated by importance of the cosmological constant on structure of the hybrid neutron star. In other words, we want to investigate the structure of neutron stars by considering both the effects of the cosmological constant and the existence of quark ... More

Introduction: Detectability of Future EarthFeb 11 2019Earth's future detectability depends upon the trajectory of our civilization over the coming centuries. Human civilization is also the only known example of an energy-intensive civilization, so our history and future trajectories provide the basis for ... More

On non-linear Schrödinger equations for open quantum systemsFeb 10 2019Recently two generalized nonlinear Schr\"{o}dinger equations have been proposed by Chavanis [Eur. Phys. J. Plus 132 (2017) 248] by applying Nottale's theory of scale relativity relying on a fractal space-time to describe dissipation in quantum systems. ... More

Weak gravitational lensing of regular black holes with cosmic strings using the Gauss-Bonnet theoremFeb 10 2019In this paper, we investigate the gravitational lensing in the spacetime of regular black hole with a cosmic strings (RBCS) in weak field limits. To do so, we apply the Gauss-Bonnet theorem to the optical geometry of the black hole and using the Gibbons-Werner ... More

Phantom-Like Behavior in Modified Teleparallel GravityFeb 09 2019The recent data from Planck2018 shows that the equation of state parameter of effective cosmic fluid today is w0 =-1.03. This indicates that it is possible for the universe to be in a phantom dominated era today. While a phantom field is essentially capable ... More

On Plastic Dislocation Density TensorFeb 06 2019This article attempts to clarify an issue regarding the proper definition of plastic dislocation density tensor. This study shows that the Ortiz's and Berdichevsky's plastic dislocation density tensors are equivalent with each other, but not with Kondo's ... More

Cosmology in a Globally SO(1,1) Symmetric Scalar-Tensor GravityFeb 06 2019A cosmological model is formulated in the context of a scalar-tensor theory of gravity in which the entire cosmic background evolution is due to a $SO(1,1)$ doublet evolving in Minkowski spacetime, such that one component of the doublet is conformally ... More

Dirac monopoles and the importance of the usage of appropriate degrees of freedomFeb 04 2019We discuss that the singularities appearing in Dirac's formulation of magnetic monopoles are due to the set of fields which he used and not due to the physical properties of magnetic monopoles. We explain in detail that we can find the same algebraic ... More

Quantum Real numbers and MeasurementFeb 03 2019The quantum mechanical measurement problem does not arise in the quantum real number approach to quantum measurements of the first kind. The attributes of individual microscopic systems in the experimental ensemble always have qr-number values so the ... More

Gravitational fields and harmonic gauge in brane model of UniverseFeb 02 2019We suppose that our Universe is closed manifold in real embedding higher dimensional space. This model well describes expanding character of Universe where each point becomes more far from any other point with time. We have derived Klein-Gordon equation ... More

On an exactly solvable toy model and its dynamicsJan 31 2019The eigenstates and eigenenergies of a toy model, which arose in idealizing a local quenched tight-binding model in a previous publication [Zhang and Yang, EPL 114, 60001 (2016)], are solved analytically. This enables us to study its dynamics in a different ... More

On an exactly solvable toy model and its dynamicsJan 31 2019Mar 06 2019The eigenstates and eigenenergies of a toy model, which arose in idealizing a local quenched tight-binding model in a previous publication [Zhang and Yang, EPL 114, 60001 (2016)], are solved analytically. This enables us to study its dynamics in a different ... More

Complex interaction processes we need to visualize that successfully fill the quantum cup of a detectorJan 31 2019Sensors are measuring tools. In any measurement, we have at least two different kinds of interactants. We never know all there are to know about any one of these interactants and the interaction processes that are mostly invisible. Yet, our engineering ... More

Coulomb- quantum oscillator correspondence in two dimension, pure gauge field and half-quantized vortexJan 31 2019Isotropic oscillator and Coulomb problems are known to have interesting correspondence. We focus on 2D quantum problems and present complete treatment on the correspondence including the Schroedinger equation, eigenfunctions and eigenvalues, and the integrals ... More

Metamaterials mimic the black holes: the effects of charge and rotation on the optical propertiesJan 30 2019Motivated by investigation of black hole properties in the lab, some interesting subjects such as analogue gravity and transformation optics are generated. In this paper, we look for the analogies between the geometry of a gravitating system and the optical ... More

Forbidden Nuclear ReactionsJan 28 2019Exothermal nuclear reactions which become forbidden due to Coulomb repulsion in the\ $\varepsilon \rightarrow 0$ limit ($\lim_{\varepsilon \rightarrow 0}\sigma \left( \varepsilon \right) =0$) are investigated. ($\sigma \left( \varepsilon \right) $ is ... More

From Coulomb to the effective interaction: application to Bose condensationJan 28 2019The expression for the short-range effective interaction potential of "quasinulei"\, is derived based on the model of the "pure"\, Coulomb interaction. This model represents the equilibrium Coulomb system (CS) of interacting electrons and the identical ... More

Spatial QCD theory of the dressing of quarks and the origin of three generationsJan 28 2019The dressing of bare massless quarks is described with a spatial theory based on the self-consistent solution of the QCD field equations. After quantization these equations are expressed in terms of quark and gluon creation and annihilation operators ... More

Whether Lyra's Manifold Itself is a Hidden Source of Dark EnergyJan 28 2019In the course of investigation of some interesting cosmic string universes in the five dimensional Lyra manifold it is excitingly found that the geometry itself of Lyra manifold behaves as a new source of dark energy and this energy takes a form similar ... More

Could the Lyra manifold be the hidden source of the dark energy?Jan 28 2019In the course of investigation of our present universe by considering the five-dimensional locally rotationally symmetric (LRS) Bianchi type-I universe with time-dependent deceleration parameters in Lyra manifold, it is excitingly found that the geometry ... More

Macroscopic body in Snyder space and minimal length estimationJan 27 2019We study a problem of description of macroscopic body motion in the frame of nonrelativistic Snyder model. It is found that the motion of the center-of-mass of a body is described by an effective parameter which depends on the parameters of Snyder algebra ... More

Analysis of black hole thermodynamics under Generalized uncertainty principle from the doubly special relativityJan 26 2019In this paper, we investigate effect of the generalized uncertainty principle (GUP) under the doubly special relativity (DSR) on the thermodynamics properties of the topological charged black hole in Anti-de Sitter (AdS) space only in the spherical horizon ... More

Harnessing Dark Energy in Five-dimensional Brans-Dicke UniverseJan 26 2019In trying to explain the present accelerated expansion of the universe in the light of a five-dimensional Brans-Dicke theory, it is found that the fifth dimension itself here acts as a source of dark energy. It may be taken as a curvature-induced form ... More

Lifting Spacetime's Poincaré SymmetriesJan 26 2019In the following work, we pedagogically develop 5-vector theory, an evolution of scalar field theory that provides a stepping stone toward a Poincar\'e-invariant lattice gauge theory. Defining a continuous flat background via the four-dimensional Cartesian ... More

Restoring Poincaré Symmetry to the LatticeJan 26 2019The following work demonstrates the viability of Poincar\'e symmetry in a discrete universe. We develop the technology of the discrete principal Poincar\'e bundle to describe the pairing of (1) a hypercubic lattice `base manifold' labeled by integer vertices-denoted ... More

Confirmation of Inflaton-like Oscillations in the Scale Factor from the Pantheon Compilation of 1048 SNe1aJan 24 2019We have confirmed the presence of damped temporal oscillations in the scale factor at a frequency of ~ 7 cycles/Hubble-time in the Pantheon Compilation of 1048 SNe. This closely matches our initial observation [Ringermacher and Mead,, AJ 149, 137 (2015)] ... More

Cosmological constant as a fundamental constantJan 24 2019We consider further consequences of recently [1] revealed role of cosmological constant \Lambda as of a physical constant, along with the gravitational one to define the gravity i.e. the General Relativity and its low-energy limit. We now show how \Lambda-constant ... More

Black hole entropy, the black hole information paradox, and time travel paradoxes from a new perspectiveJan 24 2019Relatively simple but apparently novel ways are proposed for viewing three related subjects: black hole entropy, the black hole information paradox, and time travel paradoxes. (1) Gibbons and Hawking have completely explained the origin of the entropy ... More

The Exterior Calculus and Relativistic Quantum MechanicsJan 23 2019In 1960-62, E. K\"ahler developed what looks as a generalization of the exterior calculus, which he based on Clifford rather than exterior algebra. The role of\ the exterior derivative, $du$, was taken by the more comprehensive derivative $\partial u$ ... More

Model for Classical Electron with Finite Mass and ActionJan 23 2019It is shown in the tetrad representation that there are Reissner--Nordstr\"om solutions with a finite action and total inertial mass equal to the gravitational mass of the considered system. These solutions describe systems of electromagnetic and gravitational ... More

Quasi-Topological Magnetic Brane coupled to Nonlinear ElectrodynamicsJan 21 2019In this paper, we are eager to construct a new class of (n+1)-dimensional static magnetic brane solutions in quasi-topological gravity coupled to nonlinear electrodynamics such as exponential and logarithmic forms. The solutions of this magnetic brane ... More

Dispersive Property of the Quantum Vacuum and the Speed of LightJan 19 2019We want to study the influence of the quantum vacuum on the light propagation. At first, by working in the standard linear quantum theory of the electromagnetic fields, it is shown that the electric permittivity and the magnetic permeability of the vacuum ... More

Exact mathematical solution for nonlinear free transverse vibrations of beamsJan 19 2019In the present paper, an exact mathematical solution has been obtained for nonlinear free transverse vibration of beams, for the first time. The nonlinear governing partial differential equation in un-deformed coordinates system has been converted in ... More

Quantum dynamics is infinitesimal qr-number dynamicsJan 19 2019The Heisenberg equations of motion for a quantum particle of mass $m$ are deduced from the infinitesimal qr-number equations of motion for the particle. The infinitesimal qr-number equations, and hence the standard quantum mechanical equations, are related ... More

Observation of long-term changes in the effective refractive index of lightJan 15 2019During the LIGO S5 run (April 2006 to June 2007) preliminary data from the H1 interferometer recorded long-term changes in the effective refractive index of light over a 14 month period. These are due to the presence of external gravity gradients along ... More

Energy-Dispersion of Matter Waves in Schrödinger-Poisson ModelJan 14 2019The energy dispersion of collective excitations of free electron gas as well as self-gravitating ensemble of uncharged particles is derived using a unified 1D Schr\"{o}dinger-Poisson model. The energy dispersion of self-gravitating system is shown to ... More

A brief remark on convexity of effective potentials and de Sitter Swampland conjecturesJan 12 2019Recently proposed de Sitter Swampland conjectures imply non-trivial constraints on a scalar field potential in any effective field theory that admits a quantum gravity completion. The original conjecture apparently excludes many phenomenologically motivated ... More

Statistical description of the Universe formationJan 12 2019Statistical description of the Universe as non-equilibrium system has been proposed. Based on two fundamental principles, i.e., the law of increasing entropy and the principle of minimum energy of the system and try to answer the question of what the ... More

Effects of Anisotropy on the Sign-Changeable Interacting Tsallis Holographic Dark EnergyJan 11 2019A spatially homogeneous and anisotropic Bianchi type I universe is considered while it is filled by pressureless dark matter (DM) and Tsallis holographic dark energy (DE) interacting with each other throughout a sign-changeable mutual interaction. Various ... More

Generalized Misner-Sharp energy in the generalized Rastall theoryJan 10 2019Employing the unified first law of thermodynamics and the field equations of the generalized Rastall theory, we get the generalized Misner-Sharp mass which differs from those of the Einstein and Rastall theories. Moreover, using the first law of thermodynamics, ... More

Black hole thermodynamics in the Sharma-Mittal generalized entropy formalismJan 06 2019Jan 19 2019Using the Sharma-Mittal entropy, we study some properties of the Schwarzschild and Schwarzschild-de Sitter black holes. The results are compared with those obtained by attributing the Bekenstein entropy bound to the mentioned black holes. Our main results ... More

Black hole thermodynamics in the Sharma-Mittal generalized entropy formalismJan 06 2019Mar 05 2019Using the Sharma-Mittal entropy, we study some properties of the Schwarzschild and Schwarzschild-de Sitter black holes. The results are compared with those obtained by attributing the Bekenstein entropy bound to the mentioned black holes. Our main results ... More

Tunneling radiation of fermions from the non-stationary Kerr black holeJan 02 2019In this paper, the tunneling radiation of fermions with spin $1/2$ and $3/2$ from the non-stationary Kerr black hole are investigated. First, according to the Dirac equation for spin $1/2$ fermions and Rarita-Schwinger equation for spin $3/2$ fermions, ... More

Three-dimensional transformation for rotating coordinate systems and its applications in physicsJan 01 2019Applications of the three-dimensional transformation for rotating coordinate systems to quantum mechanics, general theory relativity and optics are considered.

Beginnings of the Helicity Basis in the (S,0)+(0,S) Representations of the Lorentz GroupDec 30 2018We write solutions of relativistic quantum equations explicitly in the helicity basis for S=1/2 and S=1. We present the analyses of relations between Dirac-like and Majorana-like field operators. Several interesting features of bradyonic and tachyonic ... More

On a new type of solving procedure for Laplace tidal equationDec 28 2018In this paper, we present a new approach for solving Laplace tidal equations (LTE) which was formulated first in [S.V.Ershkov, A Riccati-type solution of Euler-Poisson equations of rigid body rotation over the fixed point, Acta Mechanica, 228(7), 2719 ... More

Non-Gaussian thermostatistical considerations upon the Saha equationDec 27 2018The Saha equation provides the relation between two consecutive ionization state populations, like the Maxwell-Boltzmann velocity distribution of the atoms in a gas ensemble. Saha equation can also consider the partitions functions for both states and ... More

Self-interacting Electron as the Gauge Field Under the Ultimate Separation of the Absolute Quantum MotionsDec 26 2018The problem of the reason of physical motion needs a review in the framework of quantum theory. The Aristotle's mistake, Galileo-Newton progress, Einstein physical geometry established the fundamental role of the spacetime geometry in the motion of fields ... More

Magnetic Monopoles and Dark MatterDec 25 2018Schwinger's idea about the magnetic world of the early Universe, in which magnetic charges (monopoles) and magnetic atoms (g$^{+}$g$^{-}$) could be formed, is developed. In the present-day Universe magnetic charges with energies in the GeV range can be ... More

Dark energy as an emergent phenomenonDec 24 2018The cosmological constant, which was introduced by Einstein a century ago to allow for a static universe, experienced a revival two decades ago under the label dark energy as a parameter to model the observed accelerated expansion of the universe. Its ... More

Thomson backscattering in combined uniform magnetic and envelope modulating circularly-polarized laser fieldsDec 23 2018The Thomson backscattering spectra in combined uniform magnetic and cosine-envelope circularly-polarized laser fields are studied in detail. With an introduction of the envelope modulation, the radiation spectra exhibit high complexity attributed to the ... More

The periodic table of the elements with $4n^{2}$ $n=2,3,\dots$ periodsDec 21 2018A modification of the standard periodic table of the elements reveals $4n^{2}$ periods, where $n=2,3,\dots$. The new arrangement places hydrogen with halogens and keeps the rare-earth elements in the table proper (without separating them as they are in ... More

Braided fermions from Hurwitz algebrasDec 21 2018Some curious structural similarities between a recent braid- and Hurwitz algebraic description of the unbroken internal symmetries for a single generations of Standard Model fermions were recently identified. The non-trivial braid groups that can be represented ... More

Cosmological Implications of the Generalized Entropy Based Holographic Dark Energy Models in Dynamical Chern-Simons Modified GravityDec 20 2018Recently, Tsallis, R\'{e}nyi and Sharma-Mitall and entropies have widely been used to study the gravitational and cosmological setups. We consider a flat FRW universe with linear interaction between dark energy and dark matter. We discuss the dark energy ... More

Non-relativistic limit of the interaction of massive neutrinosDec 20 2018In this work we consider the electroweak interaction between two massive neutrinos in the non-relativistic limit. We find that in this limit the interaction can be null.

Conformal Gravity and the Radial Acceleration RelationDec 18 2018During the 2016 International Workshop on Astronomy and Relativistic Astrophysics (IWARA), the question was raised as to if conformal gravity could explain the timely result of McGaugh et. al. 2016 which showed a universal nature found in the centripetal ... More

On Spin IIDec 09 2018Jan 02 2019Having previously identified the photon field with a (special) linear Complex, we give a brief account on identifications and reasoning so far. Then, in order to include spinorial degrees of freedom into the Lagrangean description, we discuss the mapping ... More

A topological model for inflationDec 09 2018In this paper we will discuss a new model for inflation based on topological ideas. For that purpose we will consider the change of the topology of the spatial component seen as compact 3-manifold. We analyzed the topology change by using Morse theory ... More

A covariant approach to gravito-electromagnetismDec 07 2018This paper describes gravito-electromagnetism (GEM) as a constrained field theory. Equations of motion, continuity equation, energy conservation, field tensor, energy-momentum tensor, constraints and Lagrangian formulation are presented as a simple and ... More

Black Holes with MDRs and Bekenstein-Hawking and Perelman Entropies for Finsler-Lagrange-Hamilton SpacesDec 04 2018Feb 19 2019New geometric and analytic methods for generating exact and parametric solutions in generalized Einstein-Finsler like gravity theories and nonholonomic Ricci soliton models are reviewed and developed. We show how generalizations of the Schwarzschild - ... More

Black Holes with MDRs and Bekenstein-Hawking and Perelman Entropies for Finsler-Lagrange-Hamilton SpacesDec 04 2018New geometric and analytic methods for generating exact and parametric solutions in generalized Einstein-Finsler like gravity theories and nonholonomic Ricci soliton models are reviewed and developed. We show how generalizations of the Schwarzschild - ... More

The Finslerian quantum cosmologyDec 03 2018We present a Friedmann-Robertson-Walker (FRW) quantum cosmological model within the framework of Finslerian geometry. In this work, we consider a specific fluid. We obtain the corresponding Wheeler-DeWitt equation as the usual constraint equation as well ... More

Extra equation of gravity induced by spontaneous local Lorentz symmetry breakdownDec 03 2018The broken gauge theory of a Weyl doublet allows two types of spontaneous local Lorentz symmetry breakdown consistent with Lorentz invariance of the emergent theory. In these cases, the Nambu-Goldstone boson induces the new interaction, which is described ... More

Fermion-boson symmetry and quantum field theoryNov 30 2018The application of fermion-boson symmetry to the standard model leads to the following: first, there are three generations of scalar quarks and scalar leptons in addition to the known quarks and leptons, and, secondly, the divergences in the perturbation ... More

Magnetic Field of a Compact Spherical Star under f(R,T) GravityNov 30 2018We present the interior solutions of distributions of magnetised fluid inside a sphere in $f(R,T)$ gravity. The magnetised sphere is embedded in an exterior Reissner-Nordstr\"{o}m metric. We assume that all physical quantities are in static equilibrium. ... More

Restrictions on torsion-spinor field theoryNov 29 2018Torsion propagation and torsion-spin coupling are studied in the perspective of the Velo-Zwanziger method of analysis; specifically, we write the most extensive dynamics of the torsion tensor and the most exhaustive coupling that is permitted between ... More

On the Vacua of General Relativity in the Backdrop of the Higgs VEVNov 29 2018The classical notion of manifold may be augmented to institute the algebras associated with the generators of the spinor and vector representations of the Lorentz group on two copies of the cotangent space. In the former case, this results in the emergence ... More

Charged fermions tunneling from stationary axially symmetric black holes with generalized uncertainty principleNov 28 2018In this paper, we study the tunneling of charged fermions from the stationary axially symmetric black holes using the generalized uncertainty principle (GUP) via Wentzel, Kramers, and Brillouin (WKB) method. The emission rate of the charged fermions and ... More

An SU(3) Unified Model of Electroweak Interaction Using Generalized Yang-Mills TheoryNov 26 2018Generalized Yang-Mills theory has a covariant derivative which contains both vector and scalar gauge bosons. Based on this theory, we construct an SU(3) unified model of weak and electromagnetic interactions. By using the NJL mechanism, the symmetry breaking ... More

Comment on "Tests of general relativity with GW170817"Nov 25 2018In a recent paper "Tests of general relativity with GW170817" (arXiv:1811.00364 [gr-qc]) the authors claimed overwhelming evidence in favor of tensor gravitational wave (GW) polarization over vector by analyzing GW signals measured by the LIGO-Virgo network. ... More

Geometrical Unification of Gravitation and ElectromagnetismNov 21 2018A theory which achieves a complete geometrical unification of gravitation and electromagnetism (GUGE) is presented. This new theory is based on a recent proposal of proper time redefinition that leads to the construction of a Finsler metric, which naturally ... More

Geometrical Unification of Gravitation and ElectromagnetismNov 21 2018Mar 02 2019A theory which achieves a complete geometrical unification of gravitation and electromagnetism (GUGE) is presented. This new theory is based on a recent proposal of proper time redefinition that leads to the construction of a Finsler metric, which naturally ... More

Generalization of the Randall-Sundrum Model Using Gravitational Model $F(T, Θ)$Nov 21 2018In this letter, we explore a generalized model based on two scenarios including the Randall-Sundrum model and Gravity model $F(T,\Theta)$. We first study the standard Randall-Sundrum Gravitational model and then add a function containing two parameters ... More

Four interactions in the sedenion curved spacesNov 18 2018The paper aims to apply the complex-sedenions to explore the field equations of four fundamental interactions, which are relevant to the classical mechanics and quantum mechanics, in the curved spaces. J. C. Maxwell was the first to utilize the quaternions ... More

Does fractal Universe describe a complete cosmic scenario?Nov 15 2018The present work deals with evolution of the fractal model of the Universe in the background of homogeneous and isotropic FLRW space--time geometry. The cosmic substrum is taken as perfect fluid with barotropic equation of state. A general prescription ... More

The criticality of multiplicative processesNov 12 2018Keeping in view applications to numerical simulations of the evolution of a nuclear reactor core around criticality, we use a general mathematical framework for describing the evolutions of multiplicative processes (processes involving particle creation) ... More

Correct Formulation Of Lattice QCD Method To Study Hadron Formation From Quarks and GluonsNov 07 2018The present lattice QCD method can not study the hadron formation from the quarks and gluons. This is because it operates the unphysical QCD Hamiltonian of all the quarks plus antiquarks plus gluons inside the hadron on the physical energy eigenstate ... More

Spurious, Emergent Laws in Number WorldsNov 05 2018We study some aspects of the emergence of logos from chaos on a simple model of the universe using methods and techniques from algorithmic information and Ramsey theories. Thereby an intrinsic and unusual mixture of meaningful and (spurious) emerging ... More

Macroscopic Virtual Particles ExistNov 01 2018Virtual particles expected to occur in microscopic processes as they are introduced, for instance by Feynman in the Quantum Electro Dynamics, as photons performing in an anonymous way in the interaction between two electrons. This note describes macroscopic ... More

The emergence of cosmic repulsionOct 15 2018In cosmology based on general relativity, the universe is modeled as a fluid. The transition from the Einstein field equation to its large-scale (cosmological) version is thus analogous to the transition, for a system consisting of a large number of molecules, ... More