Panel discussion: Spin glasses

C. N. Guy; J. L. Tholence; H. Maletta; D. J. Thouless; J. A. Hertz; S. Kirkpatrick

doi:10.1063/1.326941

Panel discussion: Spin glasses

C. N. Guy^*
, J. L. Tholence
, H. Maletta
, D. J. Thouless
, J. A. Hertz
, S. Kirkpatrick

^*Corresponding author for this work

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

29 Scopus citations

Abstract

After a brief review of recent low field experiments and the time evolution of magnetisation, new data on CuMn alloys is presented. The new data shows quite clearly that the spin glass temperature T_f does not mark the abrupt onset of irreversible behavior. Rather there is clear evidence for remanent magnetisation above T_f. Comparison with earlier a.c. susceptibility data suggests that there is a continuous freezing or blocking process occurring in the range of temperature centered on T_f.

Original language	English
Pages (from-to)	7308-7317
Number of pages	10
Journal	Journal of Applied Physics
Volume	50
Issue number	B11
DOIs	https://doi.org/10.1063/1.326941
State	Published - 1979
Externally published	Yes

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abstract = "After a brief review of recent low field experiments and the time evolution of magnetisation, new data on CuMn alloys is presented. The new data shows quite clearly that the spin glass temperature Tf does not mark the abrupt onset of irreversible behavior. Rather there is clear evidence for remanent magnetisation above Tf. Comparison with earlier a.c. susceptibility data suggests that there is a continuous freezing or blocking process occurring in the range of temperature centered on Tf.",

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AU - Guy, C. N.

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AU - Maletta, H.

AU - Thouless, D. J.

AU - Hertz, J. A.

AU - Kirkpatrick, S.

PY - 1979

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AB - After a brief review of recent low field experiments and the time evolution of magnetisation, new data on CuMn alloys is presented. The new data shows quite clearly that the spin glass temperature Tf does not mark the abrupt onset of irreversible behavior. Rather there is clear evidence for remanent magnetisation above Tf. Comparison with earlier a.c. susceptibility data suggests that there is a continuous freezing or blocking process occurring in the range of temperature centered on Tf.

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Panel discussion: Spin glasses

Abstract

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