Multilevel strategies for Monte Carlo path integral dynamics simulations

Chi Mak

University of Southern California, Department of Chemistry, Los Angeles, USA

General principles for carrying out real-time Monte Carlo path integral simulations will be described, addressing the dynamic sign problem in particular. Effective strategies for circumventing the sign problem based on multilevel sampling techniques will be discussed. Examples will be given to demonstrate the potential usefulness as well as possible shortcomings with multilevel sampling schemes for real-time path integrals in general.

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