Multisite spin hopping analysis of multilevel dissipative quantum tunneling and coherence at finite temperatures

H. Dekker

Physica A: Statistical Mechanics and its Applications, 1991, vol. 179, issue 1, 81-102

Abstract: The novel (pseudo-)spin hopping analysis of real-time quantum mechanical motion at nonzero temperature in a dissipative double-well potential - as presented in parts I - III - is generalized to include a bias energy between the two wells. The general theory of part I - ab initio based on the Zwanzig-Caldeira-Leggett model-Hamiltonian for the unbiased potential - has been evaluated in the weak spin-bath coupling limit in part II while a strong coupling “noninteracting-blips” type treatment has been given in part III. In the present article (IV) the biased system is analyzed in both weak and strong coupling regimes.

Date: 1991
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:179:y:1991:i:1:p:81-102

DOI: 10.1016/0378-4371(91)90216-Y

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