Quantum superconductor-metal transition in a proximity array

M.V. Feigel’man^а, A.I. Larkin^а, б, M.A. Skvortsov^а
^аИнститут теоретической физики им. Л.Д. Ландау, просп. Акад. Семенова 1а, Черноголовка, Московская обл., Ногинский р-н, 142432, Российская Федерация
^бWilliam I. Fine Theoretical Physics Institute, University of Minnesota, Minnesota, Minnesota, США

A theory of the zero-temperature superconductor-metal transition is developed for an array of superconductive islands (of size $d$) coupled via a disordered two-dimensional conductor with the dimensionless conductance $g=\hbar/e^2R_\square\gg1$. At $T=0$ macroscopically superconductive state of the array with lattice spacing $b\gg d$ is destroyed at $g<g_c\approx0.1\ln^2(b/d)$. At high temperatures the normal-state resistance between neighboring islands at $b=b_c$ is much smaller than $R_Q=h/4e^2$.

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English fulltext is available at DOI: 10.1070/1063-7869/44/10S/S22

PACS: 71.30.+h, 73.23.Hk, 74.50.+r, 74.76.-w (все)
DOI: 10.1070/1063-7869/44/10S/S22
URL: https://ufn.ru/ru/articles/2001/13/v/
Цитата: Feigel’man M V, Larkin A I, Skvortsov M A "Quantum superconductor-metal transition in a proximity array" УФН 171 99–104 (2001)

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RT Journal
T1 Quantum superconductor-metal transition in a proximity array
A1 Feigel’man,M.V.
A1 Larkin,A.I.
A1 Skvortsov,M.A.
PB Успехи физических наук
PY 2001
FD 10 Sup, 2001
JF Успехи физических наук
JO Усп. физ. наук
VO 171
IS 13
SP 99-104
DO 10.1070/1063-7869/44/10S/S22
LK https://ufn.ru/ru/articles/2001/13/v/

English citation: Feigel’man M V, Larkin A I, Skvortsov M A “Quantum superconductor-metal transition in a proximity array” Phys. Usp. 44 99–104 (2001); DOI: 10.1070/1063-7869/44/10S/S22