Paramagnetic effects in vortex lattice field distribution in strongly type-II superconductors

V. P. Michal; V. P. Mineev

doi:10.1103/PhysRevB.82.104505

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Paramagnetic effects in vortex lattice field distribution in strongly type-II superconductors

V. P. Michal, V. P. Mineev

DOI 10.1103/PhysRevB.82.104505 · Physical Review B

T1

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Abstract

We present an analysis of the magnetic field distribution in the Abrikosov lattice of high-κ superconductors with singlet pairing in the case where the critical field is mainly determined by the Pauli limit and the superfluid currents partly come from the paramagnetic interaction of electron spins with the local magnetic field. The derivation is performed in the frame of the generalized Clem variational method which is valid not too close to the critical field and furthermore with the Abrikosov-type theory in the vicinity of it. The found vortex lattice form factor increases with increasing field and then falls down at approach of the upper critical field where the superconducting state is suppressed.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
CeCoIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	2.3	Pressure not reported	unknown