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arXiv quant-ph/0602227quant-ph
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Wigner函数的平稳量子Markov过程

Stationary quantum Markov process for the Wigner function

T. Hashimoto, M. Horibe, A. Hayashi

摘要:

作为量子力学的一个随机模型,我们给出了Wigner函数在N为奇数的格点相空间Z_N x Z_N上的时间演化的一个平稳量子马尔可夫过程.通过引入相因子扩展到相空间,每个粒子可以被独立地处理。这是对早期方法的改进,早期方法需要整个分布函数来确定组成粒子的演化。这个过程有分支和消失点,尽管分支之间可以保持有限的时间间隔。使用该过程进行模拟的程序。

英文摘要:

As a stochastic model for quantum mechanics we present a stationary quantum Markov process for the time evolution of the Wigner function on a lattice phase space Z_N x Z_N with N odd. By introducing a phase factor extension to the phase space, each particle can be treated independently. This is an improvement on earlier methods that require the whole distribution function to determine the evolution of a constituent particle. The process has branching and vanishing points, though a finite time interval can be maintained between the branchings. The procedure to perform a simulation using the process is presented.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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