Physics – Condensed Matter – Superconductivity
Scientific paper
2011-07-21
K. Michaeli, A.C. Potter, and P.A. Lee, Phys. Rev. Lett. 108, 117003 (2012)
Physics
Condensed Matter
Superconductivity
6 pages of Supplementary materials added containing details of calculation and further discussion of the FFLO state with disor
Scientific paper
10.1103/PhysRevLett.108.117003
We introduce a model to explain the observed ferromagnetism and superconductivity in LAO/STO oxide interface structures. Due to the polar catastrophe mechanism, 1/2 charge per unit cell is transferred to the interface layer. We argue that this charge localizes and orders ferromagnetically via exchange with the conduction electrons. Ordinarily this ferromagnetism would destroy superconductivity, but due to strong spin-orbit coupling near the interface, the magnetism and superconductivity can coexist by forming an FFLO-type condensate of Cooper pairs at finite momentum, which is surprisingly robust in the presence of strong disorder.
Lee Patrick A.
Michaeli Karen
Potter Andrew C.
No associations
LandOfFree
Superconductivity and Ferromagnetism in Oxide Interface Structures: Possibility of Finite Momentum Pairing 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 Superconductivity and Ferromagnetism in Oxide Interface Structures: Possibility of Finite Momentum Pairing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Superconductivity and Ferromagnetism in Oxide Interface Structures: Possibility of Finite Momentum Pairing will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-688431