Complex resistivity spectra and the shear modulus of the vortex solid in untwinned YBa2Cu3O7

Hui Wu; N. P. Ong; R. Gagnon; L. Taillefer

doi:10.1103/PhysRevLett.78.334

Complex resistivity spectra and the shear modulus of the vortex solid in untwinned YBa₂Cu₃O₇

Hui Wu, N. P. Ong, R. Gagnon, L. Taillefer

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Abstract

The complex resistivity ρ^{^} of the vortex system in YBa₂Cu₃O₇ has been measured from 0.2 to 20 MHz. The solid phase below the transition field H_m is characterized by strong dispersion in ρ^{^}. At the transition, an abrupt decrease of the reactance Im ρ^{^} is observed. We show that this is caused by a collapse of the shear modulus c₆₆ at H_m. The experiment provides firm evidence for a first-order melting transition.

Original language	English (US)
Pages (from-to)	334-337
Number of pages	4
Journal	Physical review letters
Volume	78
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.78.334
State	Published - Jan 13 1997

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.78.334

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title = "Complex resistivity spectra and the shear modulus of the vortex solid in untwinned YBa2Cu3O7",

abstract = "The complex resistivity ρ^ of the vortex system in YBa2Cu3O7 has been measured from 0.2 to 20 MHz. The solid phase below the transition field Hm is characterized by strong dispersion in ρ^. At the transition, an abrupt decrease of the reactance Im ρ^ is observed. We show that this is caused by a collapse of the shear modulus c66 at Hm. The experiment provides firm evidence for a first-order melting transition.",

author = "Hui Wu and Ong, {N. P.} and R. Gagnon and L. Taillefer",

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T1 - Complex resistivity spectra and the shear modulus of the vortex solid in untwinned YBa2Cu3O7

AU - Wu, Hui

AU - Ong, N. P.

AU - Gagnon, R.

AU - Taillefer, L.

PY - 1997/1/13

Y1 - 1997/1/13

N2 - The complex resistivity ρ^ of the vortex system in YBa2Cu3O7 has been measured from 0.2 to 20 MHz. The solid phase below the transition field Hm is characterized by strong dispersion in ρ^. At the transition, an abrupt decrease of the reactance Im ρ^ is observed. We show that this is caused by a collapse of the shear modulus c66 at Hm. The experiment provides firm evidence for a first-order melting transition.

AB - The complex resistivity ρ^ of the vortex system in YBa2Cu3O7 has been measured from 0.2 to 20 MHz. The solid phase below the transition field Hm is characterized by strong dispersion in ρ^. At the transition, an abrupt decrease of the reactance Im ρ^ is observed. We show that this is caused by a collapse of the shear modulus c66 at Hm. The experiment provides firm evidence for a first-order melting transition.

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JO - Physical review letters

JF - Physical review letters

IS - 2

ER -

Complex resistivity spectra and the shear modulus of the vortex solid in untwinned YBa₂Cu₃O₇

Abstract

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