Quantum Phase Transitions in Dissipative Tunnel Junctions
arXiv:cond-mat/0301396 · doi:10.1103/PhysRevB.68.165345
Abstract
The Ueda-Guinea model of a dissipative tunnel junction is investigated. This model accounts for final state effects associated with single-electron tunneling. A quantum phase transition emerges, marking a boundary between insulating (Coulomb blockade) and conducting phases. The system is analyzed by large-N techniques, self-consistent harmonic approximation, and Monte Carlo methods.
10 pages, 11 figures
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