Interacting Quantum-Dissipative Tunnelling Systems
Babak Bayani
Broschiertes Buch

Interacting Quantum-Dissipative Tunnelling Systems

Analytic derivation of the Caldeira-Leggett Hamiltonian from a microscopic model

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The investigation of dissipative quantum systems makes it possible to observe quantum phenomena also on macroscopic length scales. The microscopic model selected allows to deduce and examine the so far only phenomenologically accessible effect of quantum dissipation in a clear mathematical and physical way. The investigated microscopic model is a 1-dimensional chain of harmonic degrees of freedom which are linearly coupled to each other as well as to r anharmonic degrees of freedom. The case of one respectively two anharmonic bonds are explicitly analysed. An analytic separation of the harmoni...