Electronic Resource
Springer
Journal of statistical physics
72 (1993), S. 519-537
ISSN:
1572-9613
Keywords:
Numerical simulations
;
irreversibility
;
Monte Carlo methods
;
microcanonical ensemble
;
long-time tail
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract We present a time-symmetrical integer arithmetic algorithm for numerical (molecular dynamics) simulations of classical fluids. This algorithm is used to illustrate, through concrete examples, that time-asymmetric evolutions are typical for systems of many particles evolving according to reversible microscopic dynamics and to calculate the asymptotic behavior of the velocity autocorrelation function with an improved accuracy. The equivalence between equilibrium time averages and microcanonical ensemble averages is checked via two new sampling methods for computing microcanonical averages of classical systems.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01048022
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