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arXiv quant-ph/0108120quant-ph
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非Hamilton系统的量子化

Quantization of Non-Hamiltonian Systems

Vasily E. Tarasov

摘要:

本文提出了Weyl量子化的一个推广,它把函数空间中的动力学算子映射到算子空间中的动力学超算子。考虑了不能用泊松括号表示的动力学算符的量子化问题。如果动力学算符是函数的乘法算符,则通常的观测量外尔量子化可以作为建议量子化的一个特例导出。这种方法允许定义一致的外尔量子化的非哈密顿和耗散系统。考虑了具有摩擦力的谐振子和按Fokker-Planck型方程演化的系统的例子。

英文摘要:

In this paper a generalization of Weyl quantization which maps a dynamical operator in a function space to a dynamical superoperator in an operator space is suggested. Quantization of dynamical operator, which cannot be represented as Poisson bracket with some function, is considered. The usual Weyl quantization of observables can be derived as a specific case of suggested quantization if dynamical operator is an operator of multiplication on a function. This approach allows to define consistent Weyl quantization of non-Hamiltonian and dissipative systems. Examples of the harmonic oscillator with friction and a system which evolves by Fokker-Planck-type equation are considered.

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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