Non-Markovian dynamics of an open quantum system with nonstationary coupling
Sh. A. KalandarovJoint Institute for Nuclear Research, RU-141980 Dubna, RussiaZ. KanokovJoint Institute for Nuclear Research, RU-141980 Dubna, RussiaG. G. AdamianJoint Institute for Nuclear Research, RU-141980 Dubna, RussiaN. V. AntonenkoJoint Institute for Nuclear Research, RU-141980 Dubna, RussiaW. ScheidInstitut für Theoretische Physik der Justus–Liebig–Universität, D-35392 Giessen, Germany
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The spectral, dissipative, and statistical properties of the damped quantum oscillator are studied in the case of non-Markovian and nonstationary system-heat bath coupling. The dissipation of collective energy is shown to be slowed down, and the decoherence rate and entropy grow with modulation frequency.
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