Pinned Vortex Liquid above the Critical Point of the First-Order Melting Transition: A Consequence of Pointlike Disorder

D. López; L. Krusin-Elbaum; H. Safar; E. Righi; E. De la Cruz; S. Grigera; C. Feild; W. K. Kwok; L. Paulius; G. W. Crabtree

doi:10.1103/PhysRevLett.80.1070

Pinned Vortex Liquid above the Critical Point of the First-Order Melting Transition: A Consequence of Pointlike Disorder

D. López, L. Krusin-Elbaum, H. Safar, E. Righi, E. De la Cruz, S. Grigera, C. Feild, W. K. Kwok, L. Paulius, G. W. Crabtree

Electrical Engineering

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80 Scopus citations

Abstract

We report on a strongly pinned entangled vortex liquid above the critical point (CP) of the first-order melting transition in untwinned YBa₂Cu₃O_7−Δ single crystals. Above CP, the c axis dissipation is finite where the in-plane dissipation is undetectable, implying large in-plane vortex pinning in the presence of vortex cutting and recombination. We demonstrate that the behavior above CP is governed by pointlike disorder. The same behavior is reproduced in twinned samples with proton-induced point defects.

Original language	English (US)
Pages (from-to)	1070-1073
Number of pages	4
Journal	Physical review letters
Volume	80
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.80.1070
State	Published - 1998

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.80.1070

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title = "Pinned Vortex Liquid above the Critical Point of the First-Order Melting Transition: A Consequence of Pointlike Disorder",

abstract = "We report on a strongly pinned entangled vortex liquid above the critical point (CP) of the first-order melting transition in untwinned YBa2Cu3O7−Δ single crystals. Above CP, the c axis dissipation is finite where the in-plane dissipation is undetectable, implying large in-plane vortex pinning in the presence of vortex cutting and recombination. We demonstrate that the behavior above CP is governed by pointlike disorder. The same behavior is reproduced in twinned samples with proton-induced point defects.",

author = "D. L{\'o}pez and L. Krusin-Elbaum and H. Safar and E. Righi and {De la Cruz}, E. and S. Grigera and C. Feild and Kwok, {W. K.} and L. Paulius and Crabtree, {G. W.}",

year = "1998",

doi = "10.1103/PhysRevLett.80.1070",

language = "English (US)",

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T1 - Pinned Vortex Liquid above the Critical Point of the First-Order Melting Transition

T2 - A Consequence of Pointlike Disorder

AU - López, D.

AU - Krusin-Elbaum, L.

AU - Safar, H.

AU - Righi, E.

AU - De la Cruz, E.

AU - Grigera, S.

AU - Feild, C.

AU - Kwok, W. K.

AU - Paulius, L.

AU - Crabtree, G. W.

PY - 1998

Y1 - 1998

N2 - We report on a strongly pinned entangled vortex liquid above the critical point (CP) of the first-order melting transition in untwinned YBa2Cu3O7−Δ single crystals. Above CP, the c axis dissipation is finite where the in-plane dissipation is undetectable, implying large in-plane vortex pinning in the presence of vortex cutting and recombination. We demonstrate that the behavior above CP is governed by pointlike disorder. The same behavior is reproduced in twinned samples with proton-induced point defects.

AB - We report on a strongly pinned entangled vortex liquid above the critical point (CP) of the first-order melting transition in untwinned YBa2Cu3O7−Δ single crystals. Above CP, the c axis dissipation is finite where the in-plane dissipation is undetectable, implying large in-plane vortex pinning in the presence of vortex cutting and recombination. We demonstrate that the behavior above CP is governed by pointlike disorder. The same behavior is reproduced in twinned samples with proton-induced point defects.

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DO - 10.1103/PhysRevLett.80.1070

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VL - 80

SP - 1070

EP - 1073

JO - Physical review letters

JF - Physical review letters

IS - 5

ER -

Pinned Vortex Liquid above the Critical Point of the First-Order Melting Transition: A Consequence of Pointlike Disorder

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