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research article
Minigap in a SN junction with paramagnetic impurities
2005
We study the effect of spin-flip scattering on the density of states in a long diffusive S-N junction with transparent interface. We calculate the critical value of the spin-flip scattering rate at which the minigap closes and give the dependence of the minigap on the spin-flip rate. For the system we consider, the minigap and the critical spin-flip rate have the scale of the Thouless energy, and not of the superconducting gap.
Type
research article
Authors
Publication date
2005
Published in
Volume
72
Article Number
092501
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
May 20, 2011
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