The Heisenberg-Langevin model of a quantum damped harmonic oscillator with time-dependent frequency and damping coefficients

被引:6
作者
Dodonov, V. V.
Dodonov, A. V.
机构
[1] Univ Brasilia, Inst Fis, BR-70910900 Brasilia, DF, Brazil
[2] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil
关键词
nonstationary quantum damped oscillator; Heisenberg-Langevin equations; noncommuting noise operators; nonstationary Casimir effect;
D O I
10.1007/s10946-006-0020-1
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We develop a consistent model of a quantum damped harmonic oscillator with arbitrary time-dependent frequency and damping coefficients within the framework of the Heisenberg-Langevin equations with two noncommuting delta-correlated noise operators justifying the choice of the "minimal noise" set of damping coefficients and correlation functions.
引用
收藏
页码:379 / 388
页数:10
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