Article

Finite-temperature nonlinear dynamics in cavity QED: A thermofield dynamics approach

Heat Physics Department of the Uzbek Academy of Sciences, 28 Katartal St., 700135 Tashkent, Uzbekistan; Physics Department University of Alberta, Edmonton, Alberta, T6G 2J1 Canada
Physics Letters A DOI:10.1016/j.physleta.2008.11.028 pp.238-242

ABSTRACT Heath-bath effects in the dynamics of atom+cavity system are studied. The temperature effects are explored using thermofield dynamics formalism. It is found that the dynamics of the system is sensitive to small changes in the temperature and the thermal effects lead to increasing instabilities by causing transitions from regular to chaotic motion.

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Keywords

atom+cavity system
 
dynamics
 
Heath-bath effects
 
regular
 
small changes
 
temperature effects
 
thermal effects lead
 
thermofield dynamics formalism