Anomalous in-plane paraconductivity in single-crystal YBa2Cu3O7

S. J. Hagen; Z. Z. Wang; N. P. Ong

doi:10.1103/PhysRevB.38.7137

Anomalous in-plane paraconductivity in single-crystal YBa2Cu3O7

S. J. Hagen, Z. Z. Wang, N. P. Ong

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85 Scopus citations

Abstract

We have studied the in-plane paraconductivity in single crystals of YBa2Cu3O7 with exceptionally sharp transitions. For temperatures greater than 1 K above the transition temperature Tc, we find good qualitative and some quantitative agreement with the two-dimensional Aslamazov-Larkin theory. The jump to zero resistance occurs in a narrow interval of less than 0.5 K. Our data are inconsistent with the Lawrence-Doniach expression for crossover from two to three dimensions.

Original language	English (US)
Pages (from-to)	7137-7140
Number of pages	4
Journal	Physical Review B
Volume	38
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.38.7137
State	Published - 1988

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.38.7137

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abstract = "We have studied the in-plane paraconductivity in single crystals of YBa2Cu3O7 with exceptionally sharp transitions. For temperatures greater than 1 K above the transition temperature Tc, we find good qualitative and some quantitative agreement with the two-dimensional Aslamazov-Larkin theory. The jump to zero resistance occurs in a narrow interval of less than 0.5 K. Our data are inconsistent with the Lawrence-Doniach expression for crossover from two to three dimensions.",

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year = "1988",

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AU - Hagen, S. J.

AU - Wang, Z. Z.

AU - Ong, N. P.

PY - 1988

Y1 - 1988

N2 - We have studied the in-plane paraconductivity in single crystals of YBa2Cu3O7 with exceptionally sharp transitions. For temperatures greater than 1 K above the transition temperature Tc, we find good qualitative and some quantitative agreement with the two-dimensional Aslamazov-Larkin theory. The jump to zero resistance occurs in a narrow interval of less than 0.5 K. Our data are inconsistent with the Lawrence-Doniach expression for crossover from two to three dimensions.

AB - We have studied the in-plane paraconductivity in single crystals of YBa2Cu3O7 with exceptionally sharp transitions. For temperatures greater than 1 K above the transition temperature Tc, we find good qualitative and some quantitative agreement with the two-dimensional Aslamazov-Larkin theory. The jump to zero resistance occurs in a narrow interval of less than 0.5 K. Our data are inconsistent with the Lawrence-Doniach expression for crossover from two to three dimensions.

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Anomalous in-plane paraconductivity in single-crystal YBa2Cu3O7

Abstract

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