No sign problem in one-dimensional path integral Monte Carlo simulation of fermions: A topological proof

被引：1

作者：

Chin, Siu A. ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA

来源：

PHYSICAL REVIEW E | 2023年 / 107卷 / 03期

关键词：

SYSTEMS;

D O I：

10.1103/PhysRevE.107.035305

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

This paper shows that, in one dimension, due to its topology, a closed-loop product of short-time propagators is always positive, despite the fact that each antisymmetric free fermion propagator can be of either sign.

引用

页数：5

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