Results 31 to 40 of about 3,220,420 (230)

Chemical master versus chemical langevin for first-order reaction networks [PDF]

open access: yes, 2008
Markov jump processes are widely used to model interacting species in circumstances where discreteness and stochasticity are relevant. Such models have been particularly successful in computational cell biology, and in this case, the interactions are ...
Higham, Desmond J., Khanin, Raya
core   +1 more source

Quasirelativistic Langevin equation [PDF]

open access: yesPhysical Review E, 2013
We address the problem of a microscopic derivation of the Langevin equation for a weakly relativistic Brownian particle. A non-covariant Hamiltonian model is adopted, in which the free motion of particles is described relativistically, while their interaction is treated classically, i.e.
openaire   +3 more sources

The generalized Schrödinger–Langevin equation [PDF]

open access: yesAnnals of Physics, 2014
In this work, we derive a generalization of the so-called Schr dinger-Langevin or Kostin equation for a Brownian particle interacting with a heat bath. This generalization is based on a nonlinear interaction model providing a state-dependent dissipation process exhibiting multiplicative noise.
Bargueño, Pedro, Miret-Artés, Salvador
openaire   +2 more sources

A stochastic golden rule and quantum Langevin equation for the low density limit [PDF]

open access: yes, 2002
A rigorous derivation of quantum Langevin equation from microscopic dynamics in the low density limit is given. We consider a quantum model of a microscopic system (test particle) coupled with a reservoir (gas of light Bose particles) via interaction of ...
A. N. PECHEN   +4 more
core   +2 more sources

Solvability of Nonlinear Langevin Equation Involving Two Fractional Orders with Dirichlet Boundary Conditions

open access: yesInternational Journal of Differential Equations, 2010
We study a Dirichlet boundary value problem for Langevin equation involving two fractional orders. Langevin equation has been widely used to describe the evolution of physical phenomena in fluctuating environments.
Bashir Ahmad, Juan J. Nieto
doaj   +1 more source

Generalized Langevin equation with fluctuating diffusivity

open access: yesPhysical Review Research, 2022
A generalized Langevin equation with fluctuating diffusivity (GLEFD) is proposed, and it is shown that the GLEFD satisfies a generalized fluctuation-dissipation relation.
Tomoshige Miyaguchi
doaj   +1 more source

Comment on Geometric Interpretation of Ito Calculus on the Lattice [PDF]

open access: yes, 2003
A covariant nature of the Langevin equation in Ito calculus is clarified in applying stochastic quantization method to U(N) and SU(N) lattice gauge theories.
Nakazawa, Naohito
core   +3 more sources

Analytical and Numerical Treatments of Conservative Diffusions and the Burgers Equation

open access: yesEntropy, 2018
The present work is concerned with the study of a generalized Langevin equation and its link to the physical theories of statistical mechanics and scale relativity.
Dimiter Prodanov
doaj   +1 more source

Revisiting random deposition with surface relaxation: approaches from growth rules to Edwards-Wilkinson equation [PDF]

open access: yes, 2014
We present several approaches for deriving the coarse-grained continuous Langevin equation (or Edwards-Wilkinson equation) from a random deposition with surface relaxation (RDSR) model.
Buceta, R. C.   +2 more
core   +3 more sources

On the new fractional configurations of integro-differential Langevin boundary value problems

open access: yesAlexandria Engineering Journal, 2021
In this paper, we present the existence criteria for the solutions of boundary value problems involving generalized fractional integro-Langevin equation and inclusion supplemented with nonlocal fractional boundary conditions. The main idea of the current
Shahram Rezapour   +2 more
doaj   +1 more source

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