Lyapunov Spectrum and the Conjugate Pairing Rule for a Thermostatted Random Lorentz Gas: Numerical Simulations
Journal Article
·
· Physical Review Letters
- Institut fuer Experimentalphysik, Universitaet Wien, Boltzmanngasse 5, A-1090 Wien (Austria)
We report on the numerical computation of the Lyapunov exponents and the Kolmogorov-Sinai entropy for a three-dimensional, dilute, random Lorentz gas both in equilibrium and in nonequilibrium steady states. In our method the phase- and tangent-space dynamics are treated exactly. Furthermore, we propose a highly efficient stochastic technique for the computation of Lyapunov spectra of dilute systems. Our results are in excellent agreement with analytical results of Latz, van Beijeren, and Dorfman [preceding Letter, Phys.Rev.Lett.{ital 78}, 207 (1997)]. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 471195
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 2 Vol. 78; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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