Fig. 2. Fluctuation spectrum
as a function of the frequency
with different double-cavity coupling coefficient J. The effective detunings of the left cavity mode and right cavity mode and the corresponding decay rates are respectively are
;
.
Fig. 4. Optical and atom-optical fluctuation spectrum
as a function of the frequency
under the influence of parameters. The effective detunings of the left cavity mode and right cavity mode and the corresponding decay rates are respectively are
;
. The atomic effective detuning and the coherent decay rates are respectively are
. The atom-field coupling strength is
. The atomic number is
.
Fig. 6. Cooling rate
as a function of optical coupling coefficient J in the case of different decay rates
. The given parameters are
, and the optimal detuning
satisfied the Eq. (66).
Fig. 7. Mean phonon number
as a function of optical coupling coefficient J. The given parameters are
,
,
,
, and the optical detuning
satisfied the Eq. (66).
Fig. 8. Mean phonon number
as a function of effective initial temperature T. The given parameters are
,
,
,
,
and the optical detuning
satisfied the Eq. (66).