Vortex liquids in high-temperature superconductors (invited)

Journal Article · Mon Apr 15 04:00:00 EDT 1991 · Journal of Applied Physics; (USA)

DOI:https://doi.org/10.1063/1.348122· OSTI ID:5794938

Marchetti, M C ^[1]

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1. Physics Department, Syracuse University, Syracuse, New York 13244 (US)

Recent work on the hydrodynamic theory of vortex liquids in high-{ital T}{sub {ital c}} superconductors is reviewed. Weak microscopic pinning centers are described within the flux-flow model of Bardeen and Stephen, while strong macroscopic pins set the boundary conditions for the flow. Entanglement and intervortex interactions can yield an exceptionally large intrinsic viscosity for the vortex liquid. This large viscosity allows the effect of a few strong pins to propagate over large distances and choke off the flow. As a new and experimentally relevant example of spatially inhomogeneous pinning on macroscopic scales, we consider the response of the flux liquid to an alternating current within a simple model that incorporates viscoelastic properties of the vortex liquid.

• OSTI ID: 5794938
• Journal Information: Journal of Applied Physics; (USA), Journal Name: Journal of Applied Physics; (USA) Vol. 69:8; ISSN 0021-8979; ISSN JAPIA
• Country of Publication: United States
• Language: English

Related Subjects

656100* -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALTERNATING CURRENT
CURRENTS
DISTRIBUTION
ELECTRIC CURRENTS
ELECTRIC FIELDS
FLUID MECHANICS
FLUIDS
HIGH-TC SUPERCONDUCTORS
HYDRODYNAMICS
LIQUIDS
MATHEMATICAL MODELS
MECHANICS
SPATIAL DISTRIBUTION
SUPERCONDUCTORS
VISCOSITY
VORTICES