搜索结果: 1-15 共查到“理论物理学 Kinetic”相关记录32条 . 查询时间(0.828 秒)
Towards an ultra efficient kinetic scheme. Part I: basics on the BGK equation
Kinetic equations discrete velocity models semi Lagrangian schemes Boltzmann-BGK equation 3D simulation
2012/4/16
In this paper we present a new ultra efficient numerical method for solving kinetic equations. In this preliminary work, we present the scheme in the case of the BGK relaxation operator. The scheme, b...
On Rigorous Derivation of the Enskog Kinetic Equation
BBGKY hierarchy Enskog equation kinetic cluster expansion scattering cumulant hard spheres
2011/9/22
Abstract: We develop a rigorous formalism for the description of the kinetic evolution of infinitely many hard spheres. On the basis of the kinetic cluster expansions of cumulants of groups of operato...
Kinetic Theory and the Kac Master Equation
Kinetic Theory the Kac Master Equation Mathematical Physics
2011/8/31
Abstract: This article reviews recent work on the Kac master equation and its low dimensional counterpart, the Kac equation.
The Einstein-Vlasov System/Kinetic Theory
Einstein-Vlasov System Kinetic Theory General Relativity and Quantum Cosmology
2011/7/27
Abstract: The main purpose of this article is to provide a guide to theorems on global properties of solutions to the Einstein--Vlasov system. This system couples Einstein's equations to a kinetic mat...
New method of solving of boundary problems in kinetic theory
the Kramers problem reflection diffusion boundary conditions the Neumann series
2011/7/25
Abstract: The classical Kramers problem with specular -- diffuse boundary conditions of the kinetic theory is considered. On an example of Kramers problem the new method of the decision of the boundar...
Large Scale Structures in Kinetic Gravity Braiding Model
Large Scale Structures Kinetic Gravity Braiding Model
2010/12/24
We study cosmological consequences of a kinetic braiding model, which is proposed as an alternative to the dark energy model. The kinetic braiding model we study is characterised by a parameter n, wh...
Hamiltonian formulation of the effective kinetic theory for superfluid Fermi liquids
Hamiltonian formulation the effective kinetic theory
2010/12/27
We present in a local form the time dependent effective description of a superfluid Fermi liquid which includes Landau damping effects at $T\neq 0$. This is achieved by the introduction of an additio...
Hamiltonian formulation of the effective kinetic theory for superfluid Fermi liquids
Hamiltonian formulation effective kinetic theory superfluid Fermi liquids
2011/1/7
We present in a local form the time dependent effective description of a superfluid Fermi liquid which includes Landau damping effects at T 6= 0. This is achieved by the introduction of an additional ...
Hamiltonian formulation of the effective kinetic theory for superfluid Fermi liquids
Hamiltonian formulation effective kinetic theory superfluid Fermi liquids
2010/11/19
We present in a local form the time dependent effective description of a superfluid Fermi liquid which includes Landau damping effects at T 6= 0. This is achieved by the introduction of an additional ...
Quantum Kinetic Evolution of Marginal Observables
quantum kinetic equation mean-field limit
2010/10/26
We develop a rigorous formalism for the description of the evolution of observables of quantum systems of particles in the mean-field scaling limit. The corresponding asymptotics of a solution of the ...
Time evolution of Wigner functions governed by bipartite Hamiltonian system with kinetic coupling
entangled Wigner operator Wigner function evolution entangled state representation
2010/6/30
For the bipartite Hamiltonian system with kinetic coupling, we derive time evolution equation of Wigner functions by virtue of the bipartite entangled state representation and entangled Wigner operato...
Explicit equilibria in a kinetic model of gambling
Explicit equilibria kinetic model gambling
2010/4/27
We introduce and discuss a nonlinear kinetic equation of Boltzmann type which describes the evolution of wealth in a pure gambling process, where the entire sum of wealths of two agents is up for gamb...
Spin kinetic theory - quantum kinetic theory in extended phase space
Spin kinetic phase space quantum kinetic
2010/3/10
The concept of phase space distribution functions and their evolution is used in the case of en enlarged phase space. In particular, we include the intrinsic spin of particles and present a quantum ki...
Kinetic simulations of the coupling between current instabilities and reconnection in thin current sheets
Kinetic simulations current instabilities thin current sheets
2009/11/13
We investigate the coupling between current and tearing instability modes of a thin current sheet using the particle code GISMO. We identify pure tearing modes (kx≠ 0), instabilities in the current fl...
On the problem of optimal approximation of the four-wave kinetic integral
optimal approximation four-wave kinetic integral
2009/11/12
The problem of optimization of analytical and numerical approximations of Hasselmann's nonlinear kinetic integral is discussed in general form. Considering the general expression for the kinetic integ...
