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Zener tunneling in small Josephson junctions with dissipation

  • LTSC—Tunnelling Phenomena, Layered Structures, Weak Links, Proximity Effects
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Czechoslovak Journal of Physics Aims and scope

Abstract

We investigated charging effects in a small-area Josephson tunnel junction in a SQUID geometry, biased through high-resistance thin-film leads. The Josephson coupling energyE J was varied by an external magnetic flux inside the SQUID loop. At a certain value of the current the Zener tunneling rate exceeds that of dissipative relaxation and the system “jumps” from the lowest to higher Brillouin zones. The shape of I–V curve and crossover currentI cr are in good agreement with a theory of Zener tunneling with dissipation.

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Authors and Affiliations

  1. Chalmers University of Technology, S-41296, Goteborg, Sweden

    Leonid S. Kuzmin & Yuri A. Pashkin

  2. P. N. Lebedev Physics Institute, Leninsky Prospect 53, 117924, Moscow, Russia

    Yuri A. Pashkin, Dmitri S. Golubev & Andrei D. Zaikin

  3. Institut für Theoretische Festkörperphysik, Universität Karlsruhe, 76128, Karlsruhe, Germany

    Andrei D. Zaikin

Authors
  1. Leonid S. Kuzmin
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  2. Yuri A. Pashkin
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  3. Dmitri S. Golubev
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  4. Andrei D. Zaikin
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Kuzmin, L.S., Pashkin, Y.A., Golubev, D.S. et al. Zener tunneling in small Josephson junctions with dissipation. Czech J Phys 46 (Suppl 2), 655–656 (1996). https://doi.org/10.1007/BF02583635

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  • DOI: https://doi.org/10.1007/BF02583635

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