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Quantum dynamics of the charge in Josephson tunnel junctions

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Abstract

It is shown that (quasi) charge of a Josephson tunnel junction can be considered as a macroscopic quantum degree of freedom. In the adiabatic limit we derive the effective action of the tunnel junction in the quasicharge representation and calculate the quantum decay rate of the charge states.

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Author notes

  1. A. D. Zaikin

    Present address: I. E. Tamm Department of Theoretical Physics, P. N. Lebedev Physical Institute of the U.S.s.R., Academy of Sciences, Leninski prospect 53, 117924, Moscow, U.S.S.R.

Authors and Affiliations

  1. Department of Applied Physics, Delft University of Technology, Delft, The Netherlands

    A. D. Zaikin

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  1. A. D. Zaikin
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Zaikin, A.D. Quantum dynamics of the charge in Josephson tunnel junctions. J Low Temp Phys 80, 223–235 (1990). https://doi.org/10.1007/BF00683632

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  • DOI: https://doi.org/10.1007/BF00683632

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