Search Results - "Kremer, Gilberto M."
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Jeans instability from post-Newtonian Boltzmann equation
Published in The European physical journal. C, Particles and fields (01-10-2021)“…Jeans instability within the framework of post-Newtonian Boltzmann and Poisson equations are analyzed. The components of the energy–momentum tensor are…”
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A self-gravitating system composed of baryonic and dark matter analysed from the post-Newtonian Boltzmann equations
Published in The European physical journal. C, Particles and fields (01-09-2023)“…We study the Jeans gravitational instability for a mixture of baryonic and dark matter particles, in the post-Newtonian approximation. We adopt a kinetic model…”
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Analysis of Self-Gravitating Fluid Instabilities from the Post-Newtonian Boltzmann Equation
Published in Entropy (Basel, Switzerland) (10-03-2024)“…Self-gravitating fluid instabilities are analysed within the framework of a post-Newtonian Boltzmann equation coupled with the Poisson equations for the…”
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Influence of Reactive Cross Sections on the Reaction Rate of a Simple Chemical Reaction
Published in Brazilian journal of physics (01-02-2023)“…The influence of reactive cross sections upon the reaction rate of the simple chemical reaction A + A → p r o d u c t s — where the concentrations of the…”
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Using kinetic theory to examine a self-gravitating system composed of baryons and cold dark matter
Published in The European physical journal. C, Particles and fields (01-06-2019)“…We examine the evolution of non-relativistic cold dark matter gravitationally coupled to baryons with modes deep inside the Hubble radius (sub-horizon regime)…”
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Cosmological Solutions for the Geometrical Scalar-Tensor with the Potential Determined by the Noether Symmetry Approach
Published in Symmetry (Basel) (01-07-2020)“…The aim of this work is to study a scalar-tensor theory where owing to Palatini’s variational method the space-time is endowed with a geometrical structure of…”
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Correction: Exact Transport Coefficients from the Inelastic Rough Maxwell Model of a Granular Gas
Published in Journal of statistical physics (17-06-2024)Get full text
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Granular Gas of Inelastic and Rough Maxwell Particles
Published in Journal of statistical physics (01-11-2022)“…The most widely used model for granular gases is perhaps the inelastic hard-sphere model (IHSM), where the grains are assumed to be perfectly smooth spheres…”
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Diffusion of relativistic gas mixtures in gravitational fields
Published in Physica A (01-01-2014)“…A mixture of relativistic gases of non-disparate rest masses in a Schwarzschild metric is studied on the basis of a relativistic Boltzmann equation in the…”
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Cosmological perturbations in transient phantom inflation scenarios
Published in The European physical journal. C, Particles and fields (2017)“…We present a model of inflation where the inflaton is accommodated as a phantom field which exhibits an initial transient pole behavior and then decays into a…”
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Creep and recrystallization of large polycrystalline masses. II. Constitutive theory for crystalline media with transversely isotropic grains
Published in Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences (08-06-2006)“…driving pressure for grain boundary migration…”
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Entropy, entropy flux and entropy rate of granular materials
Published in Physica A (01-10-2010)“…The aim of this work is to analyze the entropy, entropy flux and entropy rate of granular materials within the frameworks of the Boltzmann equation and…”
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Cosmological model with interactions in the dark sector
Published in General relativity and gravitation (01-05-2009)“…A cosmological model for the present Universe is analyzed whose constituents are a non-interacting baryonic matter field and interacting dark matter and dark…”
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Analysis of eigenmodes in a relativistic gas
Published in Continuum mechanics and thermodynamics (01-11-2012)“…The eigenmodes of a relativistic gas within a five-, thirteen- and fourteen-field theories are analyzed in the ultra-relativistic, relativistic and…”
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Role of roughness on the hydrodynamic homogeneous base state of inelastic spheres
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-02-2014)“…A gas of inelastic rough spheres admits a spatially homogeneous base state which turns into a hydrodynamic state after a finite relaxation time. We show that…”
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Transport coefficients of a granular gas of inelastic rough hard spheres
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-08-2014)“…The Boltzmann equation for inelastic and rough hard spheres is considered as a model of a dilute granular gas. In this model, the collisions are characterized…”
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On inelastic reactive collisions in kinetic theory of chemically reacting gas mixtures
Published in Physica A (15-07-2010)“…A kinetic theory for a simple reversible reaction–characterized by a binary mixture of ideal gases whose constituents denoted by A and B undergo a reaction of…”
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Relaxation-time model for the post-Newtonian Boltzmann equation
Published in Annals of physics (01-05-2023)“…The non-equilibrium contributions to the post-Newtonian hydrodynamic equations are determined from a relaxation-time model of the post-Newtonian Boltzmann…”
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Post-Newtonian kinetic theory
Published in Annals of physics (01-03-2021)“…A kinetic theory for relativistic gases in the presence of gravitational fields is developed in the second post-Newtonian approximation. The corresponding…”
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Post-Newtonian non-equilibrium kinetic theory
Published in Annals of physics (01-06-2022)“…The post-Newtonian hydrodynamic equations for a non-perfect fluid are developed within the framework of a post-Newtonian Boltzmann equation. The post-Newtonian…”
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