数学物理学报(英文版) ›› 1985, Vol. 5 ›› Issue (3): 319-325.
徐宏华
Xu Honghua
摘要： By means of a time-dependent canonical transformation, the time evolution operator and the wave function of a damped harmonic oscillator with time-dependent parameters are explicitly constructed in the occupation number representation. The expectation values of mechanical variables are then shown to obey the classical equation of motion. Finally, the wave function in the coordinate representation is also derived.