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arXiv · 2111.04937

Lattice Lindblad simulation

Tomoya Hayata·Yoshimasa Hidaka·Arata Yamamoto
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Abstract

We perform the real-time lattice simulation of an open quantum system, which is based on the Schwinger-Keldysh path integral representation of the Lindblad formalism. Although the real-time simulation generally suffers from the sign problem, there exist a few exceptional cases. We focus on a sign-problem-free system of a non-relativistic spinless fermion and analyze time evolution under driving and dissipation.

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Tomoya Hayata, Yoshimasa Hidaka, Arata Yamamoto. 2021-11-09. Lattice Lindblad simulation. https://doi.org/10.1093/ptep%2Fptac062

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