Critical current in a system of two superconductors connected by a short 
small-diameter normal metal bridge

Ovchinnikov, Y. N.; Larkin, A. I.

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Critical current in a system of two superconductors connected by a short small-diameter normal metal bridge

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Ovchinnikov, Y. N.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Ovchinnikov, Y. N., & Larkin, A. I. (2002). Critical current in a system of two superconductors connected by a short small-diameter normal metal bridge. JETP Letters, 76(5), 321-325. Retrieved from http://ojps.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JTPLA2000076000005000321000001&idtype=cvips&gifs=Yes.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-38B5-2

Abstract

It is shown that states with phase increments deltaphi > pi can form in superconductor-narrowing (normal metal)-superconductor systems. If the conditions a << l << xi(0), where a is the cross-sectional size of the narrowing, l is the length of narrowing, and xi(0) is the correlation radius at zero temperature, are satisfied, there is a region of parameters (a, l, xi(0), T) in which the critical current is attained in solutions with a phase difference deltaphi > pi. (C) 2002 MAIK "Nauka / Interperiodica".