A Green functions approach to the orientational behaviour of pairs of coupled two-level tunnelling units
作者： T Kranjc
DOI: 10.1088/0305-4470/25/11/015
关键词: Debye 、 Tunnel effect 、 Physics 、 Equations of motion 、 Relaxation (physics) 、 Quantum mechanics 、 Quantum tunnelling 、 Field (physics) 、 Phonon
摘要: The equation of motion method for the Green's functions is applied to study behaviour pairs interacting two-level tunnelling units, coupled with a phonon field calculate, within framework small-polaron theory, dynamic susceptibilities and relaxation rates system. Explicit expressions these quantities are obtained in Debye approximation.
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