作者: P Filipowicz
DOI: 10.1088/0305-4470/19/18/024
关键词:
摘要: The author obtains an exact integral representation of the sum describing evolution inversion two-level atom in Jaynes-Cummings model when field is initially prepared a coherent state or generated by classical sources at non-zero temperature. uses saddle point method to estimate integrals.