MONTE-CARLO EVALUATION OF REAL-TIME COHERENT STATE PATH-INTEGRALS

被引:21
作者
MARCHIORO, TL [1 ]
BECK, TL [1 ]
机构
[1] UNIV CINCINNATI, DEPT CHEM, CINCINNATI, OH 45221 USA
关键词
D O I
10.1063/1.461994
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
An alternative formulation of the discrete real time coherent state path integral is examined. Following the development of a previous work [T. L. Marchioro II, J. Math Phys. 31, 2935 (1990)] the discrete coherent state action is transformed to second order form. The resulting path integral expression contains an integrand which factors into a Gaussian probability density and an oscillatory term, making the integral directly amenable to Monte Carlo techniques. Several simple examples in one and two spatial dimensions are presented and the possibilities of extending such an approach to general multidimensional systems are discussed.
引用
收藏
页码:2966 / 2977
页数:12
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