Simulations of irreversibilities of the random-field Ising model order parameter

L. J. Shelton; F. Ye; W. C. Barber; L. Zhou; D. P. Belanger

doi:10.1016/j.jmmm.2003.12.084

Simulations of irreversibilities of the random-field Ising model order parameter

L. J. Shelton, F. Ye, W. C. Barber, L. Zhou, D. P. Belanger

Research output: Contribution to journal › Conference article › peer-review

3 Scopus citations

Abstract

The Monte Carlo simulations were used to characterize irreversibilities of the random-field Ising model (RFIM) order parameters. Latent heat is never observed in RFIM specific heat measurements. On reversing the temperature in the phase transition (ZFC) procedure, hysteresis in the Bragg-scattering intensity was observed. The specific heat and order parameters show striking hysteresis upon cooling through the transition in the applied field.

Original language	English
Pages (from-to)	1302-1303
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	272-276
DOIs	https://doi.org/10.1016/j.jmmm.2003.12.084
State	Published - May 2004
Externally published	Yes
Event	Proceedings of the International Conference on Magnetism - Rome, Italy Duration: Jul 27 2003 → Aug 1 2003

Funding

Work at UCSC supported by Department of Energy Grant No. DE-FG03-87ER45324. Work at Stanford was supported by the US Department of Energy under Contracts No. DE-FG03-99ER45773 and No. DE-AC03-76SF00515, by NSF Grants No. DMR-9985067 and No. DMR-9802737.

Funders	Funder number
US Department of Energy	DE-AC03-76SF00515, DE-FG03-99ER45773
National Science Foundation	DMR-9985067
U.S. Department of Energy

Keywords

Hysteresis
Monte Carlo simulations
Random-field Ising model

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10.1016/j.jmmm.2003.12.084

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title = "Simulations of irreversibilities of the random-field Ising model order parameter",

abstract = "The Monte Carlo simulations were used to characterize irreversibilities of the random-field Ising model (RFIM) order parameters. Latent heat is never observed in RFIM specific heat measurements. On reversing the temperature in the phase transition (ZFC) procedure, hysteresis in the Bragg-scattering intensity was observed. The specific heat and order parameters show striking hysteresis upon cooling through the transition in the applied field.",

keywords = "Hysteresis, Monte Carlo simulations, Random-field Ising model",

author = "Shelton, {L. J.} and F. Ye and Barber, {W. C.} and L. Zhou and Belanger, {D. P.}",

year = "2004",

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doi = "10.1016/j.jmmm.2003.12.084",

language = "English",

volume = "272-276",

pages = "1302--1303",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

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note = "Proceedings of the International Conference on Magnetism ; Conference date: 27-07-2003 Through 01-08-2003",

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T1 - Simulations of irreversibilities of the random-field Ising model order parameter

AU - Shelton, L. J.

AU - Ye, F.

AU - Barber, W. C.

AU - Zhou, L.

AU - Belanger, D. P.

PY - 2004/5

Y1 - 2004/5

N2 - The Monte Carlo simulations were used to characterize irreversibilities of the random-field Ising model (RFIM) order parameters. Latent heat is never observed in RFIM specific heat measurements. On reversing the temperature in the phase transition (ZFC) procedure, hysteresis in the Bragg-scattering intensity was observed. The specific heat and order parameters show striking hysteresis upon cooling through the transition in the applied field.

AB - The Monte Carlo simulations were used to characterize irreversibilities of the random-field Ising model (RFIM) order parameters. Latent heat is never observed in RFIM specific heat measurements. On reversing the temperature in the phase transition (ZFC) procedure, hysteresis in the Bragg-scattering intensity was observed. The specific heat and order parameters show striking hysteresis upon cooling through the transition in the applied field.

KW - Hysteresis

KW - Monte Carlo simulations

KW - Random-field Ising model

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U2 - 10.1016/j.jmmm.2003.12.084

DO - 10.1016/j.jmmm.2003.12.084

M3 - Conference article

AN - SCOPUS:2642555495

SN - 0304-8853

VL - 272-276

SP - 1302

EP - 1303

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

T2 - Proceedings of the International Conference on Magnetism

Y2 - 27 July 2003 through 1 August 2003

ER -

Simulations of irreversibilities of the random-field Ising model order parameter

Abstract

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Keywords

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