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Analytic solution for fluxons in a long Josephson junction with surface losses

S. Sakai and N. F. Pedersen
Phys. Rev. B 34, 3506(R) – Published 1 September 1986
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Abstract

Analytic solutions for a fluxon in a long Josephson junction in the presence of surface losses (β term) as well as shunt losses (α term) are obtained by assuming a triangular current-phase relation. This theoretical result provides exact information on fluxon properties (e.g., the line shape, velocity, etc.), independent of the magnitude of α and β. We find that if β is smaller than a critical value, the fluxon behavior is similar to that of the β=0 case, but if β is larger, quite different behavior is observed, particularly in the high-velocity region.

  • Received 24 March 1986

DOI:https://doi.org/10.1103/PhysRevB.34.3506

©1986 American Physical Society

Authors & Affiliations

S. Sakai* and N. F. Pedersen

  • Physics Laboratory I, The Technical University of Denmark, DK-2800 Lyngby, Denmark

  • *Permanent address: Electrotechnical Laboratory, 1-1-4 Umezono, Sakura-mura, Niihari-gun, Ibaraki 305, Japan.

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Vol. 34, Iss. 5 — 1 September 1986

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