Orientational and positional order in flux lattices of type-II superconductors

Journal Article · Mon Apr 01 00:00:00 EST 1991 · Physical Review, B: Condensed Matter; (USA)

DOI:https://doi.org/10.1103/PhysRevB.43.7831· OSTI ID:5570632

Chudnovsky, E M ^[1]

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1. Physics Department, Lehman College, The City University of New York, Bedford Park Boulevard West, Bronx, New York 10468-1589 (US)

A detailed theory of a hexatic vortex glass, recently observed in high-{ital T}{sub {ital c}} superconductors, is developed. The vortex lattice in this phase is characterized by short-range positional order, which decays as exp({minus}{alpha}{ital r}) in three dimensions (3D) and as exp({minus}{beta}{ital r}{sup 2}) in 2D, and by extended orientational correlations, which may be long range in a 3D sample and decay algebraically in a 2D film. For 2D and 3D the angular and field dependence of positional and orientational correlation functions is obtained; these may be easily tested experimentally.

• OSTI ID: 5570632
• Journal Information: Physical Review, B: Condensed Matter; (USA), Vol. 43:10; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
HIGH-TC SUPERCONDUCTORS
MAGNETIC FLUX
ANGULAR DISTRIBUTION
CORRELATION FUNCTIONS
LOW TEMPERATURE
MAGNETIC FIELDS
TWO-DIMENSIONAL CALCULATIONS
DISTRIBUTION
FUNCTIONS
SUPERCONDUCTORS
656100* - Condensed Matter Physics- Superconductivity