Two-level Hamiltonian of a superconducting quantum point contact

A. Furusaki; A. Levy Yeyati; A. Martin-Rodero; C.W. Beenakker; C.W. Beenakker; D. A. Ivanov; D. Averin; D. Averin; D. Averin; D. V. Averin; D.A. Ivanov; G. B. Lesovik; G. Schön; I.O. Kulik; K.K. Likharev; L.Y. Gorelik; L.Y. Gorelik; M. V. Feigel’man; P. G. de Gennes; V.S. Shumeiko

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Two-level Hamiltonian of a superconducting quantum point contact

Authors: A. Furusaki
A. Levy Yeyati
A. Martin-Rodero
C.W. Beenakker
C.W. Beenakker
D. A. Ivanov
D. Averin
D. Averin
D. Averin
D. V. Averin
D.A. Ivanov
G. B. Lesovik
G. Schön
I.O. Kulik
K.K. Likharev
L.Y. Gorelik
L.Y. Gorelik
M. V. Feigel’man
P. G. de Gennes
V.S. Shumeiko
Publication date: 4 August 1998
Publisher: 'American Physical Society (APS)'
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Abstract

In a superconducting quantum point contact, dynamics of the superconducting phase is coupled to the transitions between the subgap states. We compute this coupling and derive the two-level Hamiltonian of the contact.Comment: REVTeX, 5 pages, reference adde

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