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Title: Application of importance sampling to the computation of large deviations in nonequilibrium processes.
Authors: Kundu, Anupam
Sabhapandit, Sanjib
Dhar, Abhishek
Issue Date: 16-Mar-2011
Publisher: American Physical Society
Citation: Physical Review E, 2011, Vol.83, p031119
Abstract: We present an algorithm for finding the probabilities of rare events in nonequilibrium processes. The algorithm consists of evolving the system with a modified dynamics for which the required event occurs more frequently. By keeping track of the relative weight of phase-space trajectories generated by the modified and the original dynamics one can obtain the required probabilities. The algorithm is tested on two model systems of steady-state particle and heat transport where we find a huge improvement from direct simulation methods.
Description: Open Access.
ISSN: 1550-2376 (Online)
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Copyright: 2011 American Physical Society
Appears in Collections:Research Papers (TP)

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