Order Parameter Criticality of the [Formula presented] Random-Field Ising Antiferromagnet [Formula presented]

F. Ye; L. Zhou; S. Larochelle; L. Lu; D. P. Belanger; M. Greven; D. Lederman

doi:10.1103/PhysRevLett.89.157202

Order Parameter Criticality of the [Formula presented] Random-Field Ising Antiferromagnet [Formula presented]

F. Ye, L. Zhou, S. Larochelle, L. Lu, D. P. Belanger, M. Greven, D. Lederman

Physics and Astronomy (Twin Cities)

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

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Abstract

The critical exponent [Formula presented] for the random-field Ising model order parameter is determined using extinction-free magnetic x-ray scattering for [Formula presented] in magnetic fields of 10 and 11 T. The observed value is consistent with other experimental random-field critical exponents, but disagrees sharply with Monte Carlo and exact ground state calculations on finite-sized systems.

Original language	English (US)
Journal	Physical review letters
Volume	89
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevLett.89.157202
State	Published - 2002

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10.1103/PhysRevLett.89.157202

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title = "Order Parameter Criticality of the [Formula presented] Random-Field Ising Antiferromagnet [Formula presented] ",

abstract = "The critical exponent [Formula presented] for the random-field Ising model order parameter is determined using extinction-free magnetic x-ray scattering for [Formula presented] in magnetic fields of 10 and 11 T. The observed value is consistent with other experimental random-field critical exponents, but disagrees sharply with Monte Carlo and exact ground state calculations on finite-sized systems.",

author = "F. Ye and L. Zhou and S. Larochelle and L. Lu and Belanger, {D. P.} and M. Greven and D. Lederman",

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AU - Ye, F.

AU - Zhou, L.

AU - Larochelle, S.

AU - Lu, L.

AU - Belanger, D. P.

AU - Greven, M.

AU - Lederman, D.

PY - 2002

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N2 - The critical exponent [Formula presented] for the random-field Ising model order parameter is determined using extinction-free magnetic x-ray scattering for [Formula presented] in magnetic fields of 10 and 11 T. The observed value is consistent with other experimental random-field critical exponents, but disagrees sharply with Monte Carlo and exact ground state calculations on finite-sized systems.

AB - The critical exponent [Formula presented] for the random-field Ising model order parameter is determined using extinction-free magnetic x-ray scattering for [Formula presented] in magnetic fields of 10 and 11 T. The observed value is consistent with other experimental random-field critical exponents, but disagrees sharply with Monte Carlo and exact ground state calculations on finite-sized systems.

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Order Parameter Criticality of the [Formula presented] Random-Field Ising Antiferromagnet [Formula presented]

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