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quant-ph2003★ 1 cited
Thermofield Dynamics of Time-Dependent Boson and Fermion Systems
Sang Pyo Kim, F. C. Khanna
We formulate the thermofield dynamics for time-dependent systems by combining the Liouville-von Neumann equation, its invariant operators, and the basic notions of thermofield dyna…
quant-ph2002
Decoherence of Quantum Damped Oscillators
Sang Pyo Kim, Ademir E. Santana, F. C. Khanna
Quantum dissipation is studied within two model oscillators, the Caldirola-Kanai (CK) oscillator as an open system with one degree of freedom and the Bateman-Feshbach-Tikochinsky (…