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Phase Transition in Metallic Spin Glasses

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Condensed Matter Theories

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Abstract

Monte Carlo simulations are used to study the critical behavior of the classical Ruderman-Kittel-Kasuya-Yosida (RKKY) model of metallic spin glass both with and without the presence of weak Dzyaloshinskii-Moriya (DM) anisotropy. Finite-size scaling analyses of the data for equilibrium averages and relaxation times indicate a zero-temperature critical point for the isotropic RKKY model. When the DM interaction is included, the model exhibits a phase transition at a non-zero temperature. The values of the critical exponents at this transition are close to those obtained for the three-dimensional short-range Ising spin glass and in experiments on CuMn.

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Author information

Authors and Affiliations

  1. School of Physics and Astronomy, University of Minensota, Minneapolis, MN, 55455, USA

    Amitabha Chakrabarti & Chandan Dasgupta

Authors
  1. Amitabha Chakrabarti
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  2. Chandan Dasgupta
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Editor information

Editors and Affiliations

  1. Argonne National Laboratory, Argonne, Illinois, USA

    P. Vashishta  & Rajiv K. Kalia  & 

  2. University of Manchester Institute of Science and Technology, Manchester, UK

    R. F. Bishop

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© 1987 Plenum Press, New York

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Chakrabarti, A., Dasgupta, C. (1987). Phase Transition in Metallic Spin Glasses. In: Vashishta, P., Kalia, R.K., Bishop, R.F. (eds) Condensed Matter Theories. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0917-8_2

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  • DOI: https://doi.org/10.1007/978-1-4613-0917-8_2

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4612-8244-0

  • Online ISBN: 978-1-4613-0917-8

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