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SOLVING THE SIGN PROBLEM IN QUANTUM MONTE-CARLO DYNAMICS

被引：81
作者：
MAK, CH
CHANDLER, D
机构：
[1] Department of Chemistry, University of California, Berkeley
来源：
PHYSICAL REVIEW A | 1990年 / 41卷 / 10期
关键词：
D O I：
10.1103/PhysRevA.41.5709
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method of solving the sign problem in the Monte Carlo path-integral simulations of quantum dynamics is presented. Our method is based on the distortion of integration contours in conjunction with a stationary-phase- filtering method. Using this importance sampling, correlation functions for the spin-boson model have been computed for real times much longer than 2Latin small letter h with stroke. © 1990 The American Physical Society.
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页码：5709 / 5712
页数：4
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