摘要
We investigate the time evolution of the wave function for a many-particle system in an external harmonic potential and a spatially homogeneous time-dependent driving field.The time-dependent wave function is found to be a phase factor times the shifted initial state wave function.This then provides a new proof of the harmonic-potential theorem.
基金
Supported by the National Natural Science Foundation of China under Grant No 11275100
the Natural Science Foundation of Zhejiang Province under Grant No R6090717
the K C.Wong Magna Foundation of Ningbo University.
