State evolution in the two-photon Jaynes-Cummings model with initial squeezed'vacuum and chaotic fields

摘要

An approximate treatment is given fur the stato evolution in the two-photon JayiK's-CuniminKs motlot with initial squeezed vacuum ami chaotic state fields. Both initially pun.1 utid mixed atomic otatcs are examined. Intfri 'sttn' features such its tlu1 evolution of the atom into unique pure states anddie, re.euiTeiio.is.of the initial atomic states at certain titnri are found, l-.ffeeiK of the dynamic Stark shifts mi the system state evolution are wlso studied.