Quantum dynamics of the charge in Josephson tunnel junctions |
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| Authors: | A. D. Zaikin |
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| Affiliation: | (1) Department of Applied Physics, Delft University of Technology, Delft, The Netherlands;(2) 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. |
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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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