Inchworm Monte Carlo for exact non-adiabatic dynamics II. Benchmarks and comparison with established methods

Hsing-Ta Chen; Guy Cohen; David R. Reichman

doi:10.1063/1.4974329

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arXiv · 1610.09402

Inchworm Monte Carlo for exact non-adiabatic dynamics II. Benchmarks and comparison with established methods

Hsing-Ta Chen·Guy Cohen·David R. Reichman

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Abstract

In this second paper of a two part series, we present extensive benchmark results for two different inchworm Monte Carlo expansions for the spin-boson model. Our results are compared to previously developed numerically exact approaches for this problem. A detailed discussion of convergence and error propagation is presented. Our results and analysis allow for an understanding of the benefits and drawbacks of inchworm Monte Carlo compared to other approaches for exact real-time non-adiabatic quantum dynamics.

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Hsing-Ta Chen, Guy Cohen, David R. Reichman. 2016-10-28. Inchworm Monte Carlo for exact non-adiabatic dynamics II. Benchmarks and comparison with established methods. https://doi.org/10.1063/1.4974329

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