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Quantum rotors, phase-slip centers, and the Coulomb blockade

Authors
Journal
Physics Letters A
0375-9601
Publisher
Elsevier
Publication Date
Volume
149
Issue
9
Identifiers
DOI: 10.1016/0375-9601(90)90220-i
Disciplines
  • Physics

Abstract

Abstract We present a simple formulation of the quantum rotor, which is analogous to both an inductor and a capacitor. There exists a quantum blockade in all these systems, a specific case of which is the Coulomb blockade for a small capacitor. The analysis underlines the importance of a rotationally symmetric coordinate.

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