搜索结果: 1-14 共查到“计算物理学 equation”相关记录14条 . 查询时间(0.113 秒)
Geometric numerical schemes for the KdV equation
KdV equation symplectic scheme multi-symplectic scheme solitonic gas wave turbulence
2012/5/29
Geometric discretizations that preserve certain Hamiltonian structures at the discrete level has been proven to enhance the accuracy of numerical schemes. In particular, numerous symplectic and multi-...
Solution of the Schrodinger equation containing a Perey-Buck nonlocality
Solution of the Schrodinger equation Perey-Buck nonlocality Computational Physics
2012/4/19
The solution of a radial Schr\"odinger equation for {\psi}(r) containing a nonlocal potential of the form \int{K(r,r') {\psi}(r') dr'} is obtained to high accuracy by means of two methods. An applicat...
An equation-free approach to coarse-graining the dynamics of networks
equation-free approach coarse-graining dynamics of networks
2012/2/29
We propose and illustrate an approach to coarse-graining the dynamics of evolving networks (networks whose connectivity changes dynamically). The approach is based on the equation-free framework: shor...
Solving the stationary Liouville equation via a boundary element method
Statistical energy analysis high-frequency asymptotics Liouville equation boundary element method
2012/2/29
Intensity distributions of linear wave fields are, in the high frequency limit, often approximated in terms of flow or transport equations in phase space. Common techniques for solving the flow equati...
Numerical Solution of the Time-Dependent Dirac Equation in Coordinate Space without Fermion-Doubling
Dirac equation Numerical method Fermion doubling problem Klein paradox Relativistic wave packet
2011/8/11
Abstract: The application of a recently developed numerical method for the solution of the time-dependent Dirac equation is presented. This numerical method, described in \cite{Lorin2011190}, is based...
Accuracy of transfer matrix approaches for solving the effective mass Schr鰀inger equation
matrix approaches mass Schr鰀inger equation
2011/9/14
2009 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for adv...
Chiral symmetry breaking revisited: the gap equation with lattice ingredients
Chiral symmetry breaking Gluon and ghost propagators Schwinger-Dyson equations dynamical gluon mass generation
2011/1/14
We study chiral symmetry breaking in QCD, using as ingredients in the quark gap equation recent lattice results for the gluon and ghost propagators.
The Fractionary Schrödinger Equation, Green Functions and Ultradistributions
The Fractionary Schrö dinger Equation Green Functions Ultradistributions
2010/11/11
In this work, we generalize previous results about the Fractionary Schr\"{o}dinger Equation within the formalism of the theory of Tempered Ultradistributions. Several examples of the use of this theo...
The Wigner-Fokker-Planck equation: Stationary states and large-time behavior
Wigner-Fokker-Planck equation Stationary states large-time behavior
2010/11/11
We consider the linear Wigner-Fokker-Planck equation subject to confining potentials which are smooth perturbations of the harmonic oscillator potential. For a certain class of perturbations we prove ...
Analytical solution to position dependent mass Schrödinger equation
Analytical solution position dependent Schrö dinger equation
2010/11/11
Using a recently developed technique to solve Schr\"odinger equation for constant mass, we studied the regime in which mass varies with position i.e position dependent mass Schr\"odinger equation(PDMS...
Derivation of quantum master equation with counting fields by monitoring a probe
Derivation quantum master equation counting fields monitoring a probe
2010/10/21
We show a microscopic derivation of a quantum master equation with counting terms which
describes the electron statistics. A localized spin behaves as a probe whose precession angle monitors the net ...
Remarks on the Solution of the Position Dependent Mass (PDM) Schrödinger Equation
Position dependent mass Schr¨odinger equation Taylor Expansion Function theory Numerical approximation and analysis
2010/10/18
An approximate method is proposed to solve position dependent mass Schr¨odinger equation. The
procedure suggested here leads to the solution of the PDM Schr¨odinger equation without transforming the ...
Scattering of Woods-Saxon Potential in Schrodinger Equation
Schr¨odinger equation Woods-Saxon potential Heun Function Scattering Positiondependent mass
2010/10/21
The scattering solutions of the one-dimensional Schr¨odinger equation for theWoods-Saxon potential are obtained within the position-dependent mass formalism. The wave functions, transmission and refle...
Numerical Solution of the Two-Dimensional Gross-Pitaevskii Equation for Trapped Interacting Atoms
Numerical Solution Two-Dimensional Gross-Pitaevskii Equation Trapped Interacting Atoms
2010/10/18
We present a numerical scheme for solving the time-independent nonlinear Gross-Pitaevskii equation in two dimensions describing the Bose-Einstein condensate of trapped interacting neutral atoms at zer...