Physics – Condensed Matter – Superconductivity
Scientific paper
2004-12-11
Fizika Nizkikh Temperatur, 2005 v. 31 #2.(Low Temp Phys.)
Physics
Condensed Matter
Superconductivity
5 pages 3 figures
Scientific paper
10.1063/1.1820549
The dc Josephson critical current of a (S/M)IS tunnel structure in a parallel magnetic field has been investigated (here S is a superconductor, S/M is the proximity coupled S and paramagnet M bilayer and I is an insulating barrier). We consider the case when, due to the Hund's rule, in the M metal the effective molecular interaction aligns spins of the conducting electrons antiparallel to localized spins of magnetic ions. It is predicted that for tunnel structures under consideration there are the conditions when the destructive action of the internal and the applied magnetic fields on Cooper pairs is weakened and the increase of the applied magnetic field causes the field-induced enhancement of the tunnel critical current. The experimental realization of this interesting effect of the interplay between superconductivity and magnetism is also discussed.
Koshina E. A.
Krivoruchko V. N.
No associations
LandOfFree
Enhancement of the Josephson current by magnetic field in superconducting tunnel structures with paramagnetic spacer does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Enhancement of the Josephson current by magnetic field in superconducting tunnel structures with paramagnetic spacer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Enhancement of the Josephson current by magnetic field in superconducting tunnel structures with paramagnetic spacer will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-263485