数学物理学报(英文版) ›› 1999, Vol. 19 ›› Issue (1): 97-106.

• 论文 • 上一篇    下一篇

THE EVOLUTION OF THE DENSITY OPERATOR FOR DRIVEN SYSTEM

 毕桥   

  1. The State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,
    Wuhan University of Technology, Wuhan 430070, China
  • 收稿日期:1997-03-14 出版日期:1999-03-02 发布日期:1999-03-02

THE EVOLUTION OF THE DENSITY OPERATOR FOR DRIVEN SYSTEM

 BI Qiao   

  1. The State Key Laboratory of Advanced Technology for Materials Synthesis and Processing,
    Wuhan University of Technology, Wuhan 430070, China
  • Received:1997-03-14 Online:1999-03-02 Published:1999-03-02

PDF (PC)

873

摘要：

For studying the evolution of the density operator of the time-dependent dy-
namical system author presents here a general reformulation of subdynamics of driven
system to obtain the efficient dynamical equation. The explicit formulas to calculate the
creation operator and the destruction operator are given. A new intertwining relation is
discussed. The method presented here can be useful to get the evolution formalism of the
density operator for any system driven by an external field

关键词: Subdynamics, density operator, driven system, time-dependent Liouvillian

Abstract:

For studying the evolution of the density operator of the time-dependent dy-
namical system author presents here a general reformulation of subdynamics of driven
system to obtain the efficient dynamical equation. The explicit formulas to calculate the
creation operator and the destruction operator are given. A new intertwining relation is
discussed. The method presented here can be useful to get the evolution formalism of the
density operator for any system driven by an external field

Key words: Subdynamics, density operator, driven system, time-dependent Liouvillian

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