Penetration depth measurements of 3D XY critical behavior in YBa2Cu3O6.95 crystals

S. Kamal; D. A. Bonn; Nigel Goldenfeld; P. J. Hirschfeld; Ruixing Liang; W. N. Hardy

doi:10.1103/PhysRevLett.73.1845

Penetration depth measurements of 3D XY critical behavior in YBa2Cu3O6.95 crystals

S. Kamal, D. A. Bonn, Nigel Goldenfeld, P. J. Hirschfeld, Ruixing Liang, W. N. Hardy

Physics

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Abstract

We report measurements of the electromagnetic penetration depth λ(T) in nominally pure crystals of YBa2Cu3O6,95, for temperatures close to the critical temperature Tc. Over the range 0.001<(Tc-T)Tc<0.1, we find that λ(T)(1-TTc)-y with y0.33, consistent with the critical behavior of the three dimensional XY model. The measured critical behavior is not affected by the presence of small amounts of Zn impurities, in agreement with the Harris criterion.

Original language	English (US)
Pages (from-to)	1845-1848
Number of pages	4
Journal	Physical review letters
Volume	73
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.73.1845
State	Published - 1994

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General Physics and Astronomy

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title = "Penetration depth measurements of 3D XY critical behavior in YBa2Cu3O6.95 crystals",

abstract = "We report measurements of the electromagnetic penetration depth λ(T) in nominally pure crystals of YBa2Cu3O6,95, for temperatures close to the critical temperature Tc. Over the range 0.001<(Tc-T)Tc<0.1, we find that λ(T)(1-TTc)-y with y0.33, consistent with the critical behavior of the three dimensional XY model. The measured critical behavior is not affected by the presence of small amounts of Zn impurities, in agreement with the Harris criterion.",

author = "S. Kamal and Bonn, {D. A.} and Nigel Goldenfeld and Hirschfeld, {P. J.} and Ruixing Liang and Hardy, {W. N.}",

year = "1994",

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language = "English (US)",

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T1 - Penetration depth measurements of 3D XY critical behavior in YBa2Cu3O6.95 crystals

AU - Kamal, S.

AU - Bonn, D. A.

AU - Goldenfeld, Nigel

AU - Hirschfeld, P. J.

AU - Liang, Ruixing

AU - Hardy, W. N.

PY - 1994

Y1 - 1994

N2 - We report measurements of the electromagnetic penetration depth λ(T) in nominally pure crystals of YBa2Cu3O6,95, for temperatures close to the critical temperature Tc. Over the range 0.001<(Tc-T)Tc<0.1, we find that λ(T)(1-TTc)-y with y0.33, consistent with the critical behavior of the three dimensional XY model. The measured critical behavior is not affected by the presence of small amounts of Zn impurities, in agreement with the Harris criterion.

AB - We report measurements of the electromagnetic penetration depth λ(T) in nominally pure crystals of YBa2Cu3O6,95, for temperatures close to the critical temperature Tc. Over the range 0.001<(Tc-T)Tc<0.1, we find that λ(T)(1-TTc)-y with y0.33, consistent with the critical behavior of the three dimensional XY model. The measured critical behavior is not affected by the presence of small amounts of Zn impurities, in agreement with the Harris criterion.

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Penetration depth measurements of 3D XY critical behavior in YBa2Cu3O6.95 crystals

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