Interlayer Quasiparticle Transport in the Vortex State of Josephson Coupled Superconductors

I. Vekhter; L. N. Bulaevskii; A. E. Koshelev; M. P. Maley

doi:10.1103/PhysRevLett.84.1296

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Interlayer Quasiparticle Transport in the Vortex State of Josephson Coupled Superconductors

I. Vekhter, L. N. Bulaevskii, A. E. Koshelev, M. P. Maley

DOI 10.1103/PhysRevLett.84.1296 · Physical Review Letters

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Abstract

We calculate the dependence of the interlayer quasiparticle conductivity, σq, in a Josephson coupled d-wave superconductor on the magnetic field B∥c and the temperature T. We consider a clean superconductor with resonant impurity scattering and a dominant coherent interlayer tunneling. When pancake vortices in adjacent layers are weakly correlated, at low T the conductivity increases sharply with B over a field scale determined by the impurity scattering, before reaching an extended region of slow linear growth. At high T the conductivity initially decreases and then reaches the same linear regime. For correlated pancakes, σq increases much more strongly with the applied field.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Bi2Sr2CaCu2O8+δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown