搜索结果: 31-45 共查到“理学 relaxation”相关记录91条 . 查询时间(0.064 秒)
Relaxation time ansatz and shear and bulk viscosities of gluon matter
Relaxation time ansatz shear bulk viscosities
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2011/7/20
Shear and bulk viscosity-to-entropy density ratios are calculated for the pure gluon matter in a non-equilibrium mean-field quasiparticle approach within the relaxation time approximation. We study ho...
Time relaxation of a phase-field model with entropy balance
phase-field model entropy balance Analysis of PDEs
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2011/9/14
Abstract: We deal with a system of two coupled differential equations, describing the evolution of a first order phase transition. In particular, we have two non-linear parabolic equations: the first ...
Approximation and relaxation of perimeter in the Wiener space
Approximation and relaxation of perimeter the Wiener space Analysis of PDEs
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2011/9/13
Abstract: We characterize the relaxation of the perimeter in an infinite dimensional Wiener space, with respect to the weak L^2-topology. We also show that the rescaled Allen-Cahn functionals approxim...
Fractional relaxation equations and Brownian crossing probabilities of a random boundary
Fractional relaxation equation Generalized Mittag-Leffler functions Processes with random time
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2011/9/5
Abstract: We analyze here different forms of fractional relaxation equations of order {\nu}\in(0,1) and we derive their solutions both in analytical and in probabilistic forms. In particular we show t...
Kinetic Activation Relaxation Technique
Kinetic Activation Relaxation Technique Computational Physics
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2011/8/4
Abstract: We present a detailed description of the kinetic Activation-Relaxation Technique (k-ART), an off-lattice, self-learning kinetic Monte Carlo algorithm with on-the-fly event search. Combining ...
Localization principle and relaxation
Relaxation W1 q-quasiconvexification Young measures equiintegrability localization principle
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2011/8/22
Abstract: Relaxation theorems for multiple integrals on W^{1,p}(\Omega;\RR^m), where p\in]1,\infty[, are proved under general conditions on the integrand L:\MM\to[0,\infty] which is Borel measurable a...
Relaxation of ideal classical particles in a one-dimensional box
Relaxation, classical mechanics, ideal gas law
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2011/9/6
We study the deterministic dynamics of non-interacting classical gas particles confined to a one-dimensional box as a pedagogical toy model for the relaxation of the Boltzmann distribution towards equ...
Magnetocardiography with a modular spin-exchange relaxation free atomic magnetometer array
Instrumentation and measurement, Atomic and molecular physics, Medical physics, Biological physics
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2011/9/6
We present a portable four-channel atomic magnetometer array operating in the spin exchange relaxation-free regime. The magnetometer array has several design
features intended to maximize its suitabi...
Models based on Mittag-Leffler functions for anomalous relaxation in dielectrics
Mittag-Leer Functions Complete Monotonicity Laplace Transform Fractional Di erential Equations
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2011/7/27
Models based on Mittag-Leffler functions for anomalous relaxation in dielectrics.
Stable marriage problem under Monte Carlo simulations, influence of preferrence corelation on relaxation time
Stable marriage problem Monte Carlo simulations influence of preferrence corelation relaxation time
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2011/7/5
In this paper we consider stable marriage problem under the Monte Carlo
simulations. We investigate how correlation in lists of preferrences can affect
simulation results such as: relaxation time, t...
Diagonalization-free implementation of spin relaxation theory for large spin systems
NMR EPR relaxation simulation spin dynamics
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2011/3/1
The Liouville space spin relaxation theory equations are reformulated in such a way as to avoid the computationally expensive Hamiltonian diagonalization step, replacing it by numerical evaluation of ...
Coulomb interaction in graphene: Relaxation rates and transport
Coulomb interaction in graphene Relaxation rates transport
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2010/11/25
We analyze the inelastic electron-electron scattering in undoped graphene within the Keldysh
diagrammatic approach. We demonstrate that finite temperature strongly affects the screening
properties o...
Atomistic theory of spin relaxation in self-assembled In$_{1-x}$Ga$_x$As/GaAs quantum dots at zero magnetic field
Atomistic theory spin relaxation zero magnetic field
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2010/11/25
We present full atomistic calculations of the spin-flip time (T1) of electrons and holes mediated by acoustic phonons in self-assembled In1−xGaxAs/GaAs quantum dots at zero magnetic field. At lo...
Observation of the developed Cu-spin correlation in the Bi-2201 high-Tc superconductor using muon spin relaxation
Observation of the developed Cu-spin correlation muon spin relaxation
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2010/11/24
A systematic muon-spin-relaxation study in Bi-2201 high-Tc cuprates has revealed for the first
time that the Cu-spin correlation (CSC) is developed at low temperatures below 2 K in a wide
range of h...
Quantum relaxation after a quench in systems with boundaries
Quantum relaxation boundaries
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2010/11/23
We study the time-dependence of the magnetization profile, ml(t), of a large finite open quantum Ising chain after a quench. We observe a cyclic variation, in which starting with an exponentially decr...