Correlation of vortex motion in high- Tc superconductors

Thomas S. Lee; N. Missert; Lise T. Sagdahl; John Clarke; John R. Clem; K. Char; J. N. Eckstein; D. K. Fork; L. Lombardo; A. Kapitulnik; L. F. Schneemeyer; J. V. Waszczak; R. B. Van Dover

doi:10.1103/PhysRevLett.74.2796

Correlation of vortex motion in high- Tc superconductors

Thomas S. Lee, N. Missert, Lise T. Sagdahl, John Clarke, John R. Clem, K. Char, J. N. Eckstein, D. K. Fork, L. Lombardo, A. Kapitulnik, L. F. Schneemeyer, J. V. Waszczak, R. B. Van Dover

Research output: Contribution to journal › Article › peer-review

Abstract

The magnetic flux noise generated by films and crystals of Bi₂Sr₂CaCu₂O_8+y and YBa₂Cu₃O_7-x, up to 30 μm thick and cooled in nominally zero magnetic field, has been measured at opposing surfaces by two dc superconducting quantum interference devices. For both materials, the noise sources at the two surfaces were highly correlated at specific temperatures in a given cooldown. This result suggests that the observed vortices moved as rigid rods. At other temperatures, the noise was mostly uncorrelated, suggesting that the relevant vortices were pinned at more than one point along their length.

Original language	English (US)
Pages (from-to)	2796-2799
Number of pages	4
Journal	Physical review letters
Volume	74
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.74.2796
State	Published - 1995
Externally published	Yes

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General Physics and Astronomy

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10.1103/PhysRevLett.74.2796

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title = "Correlation of vortex motion in high- Tc superconductors",

abstract = "The magnetic flux noise generated by films and crystals of Bi2Sr2CaCu2O8+y and YBa2Cu3O7-x, up to 30 μm thick and cooled in nominally zero magnetic field, has been measured at opposing surfaces by two dc superconducting quantum interference devices. For both materials, the noise sources at the two surfaces were highly correlated at specific temperatures in a given cooldown. This result suggests that the observed vortices moved as rigid rods. At other temperatures, the noise was mostly uncorrelated, suggesting that the relevant vortices were pinned at more than one point along their length.",

author = "Lee, {Thomas S.} and N. Missert and Sagdahl, {Lise T.} and John Clarke and Clem, {John R.} and K. Char and Eckstein, {J. N.} and Fork, {D. K.} and L. Lombardo and A. Kapitulnik and Schneemeyer, {L. F.} and Waszczak, {J. V.} and {Van Dover}, {R. B.}",

year = "1995",

doi = "10.1103/PhysRevLett.74.2796",

language = "English (US)",

volume = "74",

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T1 - Correlation of vortex motion in high- Tc superconductors

AU - Lee, Thomas S.

AU - Missert, N.

AU - Sagdahl, Lise T.

AU - Clarke, John

AU - Clem, John R.

AU - Char, K.

AU - Eckstein, J. N.

AU - Fork, D. K.

AU - Lombardo, L.

AU - Kapitulnik, A.

AU - Schneemeyer, L. F.

AU - Waszczak, J. V.

AU - Van Dover, R. B.

PY - 1995

Y1 - 1995

N2 - The magnetic flux noise generated by films and crystals of Bi2Sr2CaCu2O8+y and YBa2Cu3O7-x, up to 30 μm thick and cooled in nominally zero magnetic field, has been measured at opposing surfaces by two dc superconducting quantum interference devices. For both materials, the noise sources at the two surfaces were highly correlated at specific temperatures in a given cooldown. This result suggests that the observed vortices moved as rigid rods. At other temperatures, the noise was mostly uncorrelated, suggesting that the relevant vortices were pinned at more than one point along their length.

AB - The magnetic flux noise generated by films and crystals of Bi2Sr2CaCu2O8+y and YBa2Cu3O7-x, up to 30 μm thick and cooled in nominally zero magnetic field, has been measured at opposing surfaces by two dc superconducting quantum interference devices. For both materials, the noise sources at the two surfaces were highly correlated at specific temperatures in a given cooldown. This result suggests that the observed vortices moved as rigid rods. At other temperatures, the noise was mostly uncorrelated, suggesting that the relevant vortices were pinned at more than one point along their length.

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Correlation of vortex motion in high- Tc superconductors

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