Langevin dynamics
E4992
Langevin dynamics is a stochastic approach to modeling the motion of particles in a fluid by combining deterministic forces with random thermal fluctuations, often used to simulate Brownian motion and other nonequilibrium processes.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Langevin equation | 9 |
| Langevin dynamics canonical | 5 |
| Metropolis-adjusted Langevin algorithm | 1 |
| Ornstein–Uhlenbeck process | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
mathematical model
ⓘ
stochastic dynamics formalism ⓘ theoretical framework in statistical mechanics ⓘ |
| appliedIn |
biophysics
ⓘ
chemical physics ⓘ materials science ⓘ soft condensed matter physics ⓘ |
| assumes |
delta-correlated noise in time
ⓘ
thermal equilibrium of the heat bath ⓘ |
| basedOn | Newtonian mechanics with stochastic forces ⓘ |
| canBe |
overdamped
ⓘ
underdamped ⓘ |
| describes | time evolution of particle positions and velocities ⓘ |
| field |
computational physics
ⓘ
molecular simulation ⓘ nonequilibrium statistical physics ⓘ statistical mechanics ⓘ |
| goal | capture thermal fluctuations and dissipation in particle motion ⓘ |
| hasParameter |
friction coefficient
ⓘ
random force amplitude ⓘ temperature ⓘ |
| implementedIn | molecular dynamics software ⓘ |
| includes |
Gaussian white noise
ⓘ
deterministic force term ⓘ friction term ⓘ random noise term ⓘ |
| namedAfter | Paul Langevin ⓘ |
| numericalSchemes |
Euler–Maruyama method
ⓘ
stochastic Verlet integrator ⓘ |
| relatedTo |
Brownian dynamics
ⓘ
Fokker–Planck equation ⓘ Markov processes ⓘ Fokker–Planck equation ⓘ
surface form:
Ornstein–Uhlenbeck process
overdamped dynamics ⓘ stochastic differential equations ⓘ |
| satisfies | fluctuation–dissipation theorem ⓘ |
| timeContinuousOrDiscrete |
continuous-time formulation
ⓘ
discrete-time numerical integration ⓘ |
| usedFor |
biomolecular simulations
ⓘ
coarse-grained simulations of soft matter ⓘ colloidal suspension simulations ⓘ diffusion process modeling ⓘ granular media modeling ⓘ modeling Brownian motion ⓘ modeling nonequilibrium processes ⓘ molecular dynamics simulations with thermostatting ⓘ polymer dynamics modeling ⓘ simulating particle motion in fluids ⓘ |
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ornstein–Uhlenbeck process
this entity surface form:
Langevin equation
this entity surface form:
Langevin equation
this entity surface form:
Langevin equation
this entity surface form:
Langevin equation
this entity surface form:
Langevin equation
this entity surface form:
Langevin equation
this entity surface form:
Metropolis-adjusted Langevin algorithm
this entity surface form:
Langevin equation
this entity surface form:
Langevin equation
this entity surface form:
Langevin equation