Magnetoresistance of UPt3

T. M. Lippman; H. Choi; J. P. Davis; J. Pollanen; W. J. Gannon; W. P. Halperin

doi:10.1088/1367-2630/10/4/043006

Magnetoresistance of UPt₃

T. M. Lippman, H. Choi, J. P. Davis, J. Pollanen, W. J. Gannon, W. P. Halperin

Physics and Astronomy

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

1 Scopus citations

Abstract

In order to study antiferromagnetic order in the unconventional superconductor UPt₃, we have measured the magnetoresistance of high-quality bulk single crystals over a broad temperature range. We observe a linear magnetoresistance when the magnetic field is applied in the basal plane for temperatures below ≈ 5 K where magnetic Bragg scattering has been observed. However, when we apply a magnetic field along the c-axis, we find a negative magnetoresistance that appears below a characteristic field, H ₀ ≈2 T, which we associate with suppression of spin-dependent scattering and which changes abruptly near 5 K.

Original language	English (US)
Article number	043006
Journal	New Journal of Physics
Volume	10
DOIs	https://doi.org/10.1088/1367-2630/10/4/043006
State	Published - Apr 14 2008

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General Physics and Astronomy

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title = "Magnetoresistance of UPt3",

abstract = "In order to study antiferromagnetic order in the unconventional superconductor UPt3, we have measured the magnetoresistance of high-quality bulk single crystals over a broad temperature range. We observe a linear magnetoresistance when the magnetic field is applied in the basal plane for temperatures below ≈ 5 K where magnetic Bragg scattering has been observed. However, when we apply a magnetic field along the c-axis, we find a negative magnetoresistance that appears below a characteristic field, H 0 ≈2 T, which we associate with suppression of spin-dependent scattering and which changes abruptly near 5 K.",

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AU - Lippman, T. M.

AU - Choi, H.

AU - Davis, J. P.

AU - Pollanen, J.

AU - Gannon, W. J.

AU - Halperin, W. P.

PY - 2008/4/14

Y1 - 2008/4/14

N2 - In order to study antiferromagnetic order in the unconventional superconductor UPt3, we have measured the magnetoresistance of high-quality bulk single crystals over a broad temperature range. We observe a linear magnetoresistance when the magnetic field is applied in the basal plane for temperatures below ≈ 5 K where magnetic Bragg scattering has been observed. However, when we apply a magnetic field along the c-axis, we find a negative magnetoresistance that appears below a characteristic field, H 0 ≈2 T, which we associate with suppression of spin-dependent scattering and which changes abruptly near 5 K.

AB - In order to study antiferromagnetic order in the unconventional superconductor UPt3, we have measured the magnetoresistance of high-quality bulk single crystals over a broad temperature range. We observe a linear magnetoresistance when the magnetic field is applied in the basal plane for temperatures below ≈ 5 K where magnetic Bragg scattering has been observed. However, when we apply a magnetic field along the c-axis, we find a negative magnetoresistance that appears below a characteristic field, H 0 ≈2 T, which we associate with suppression of spin-dependent scattering and which changes abruptly near 5 K.

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VL - 10

JO - New Journal of Physics

JF - New Journal of Physics

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ER -

Magnetoresistance of UPt₃

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