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System of magnetic particles in an external magnetic field: Surface and bulk structure

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Abstract

A system of particles with spin interaction in an external magnetic field is studied using a general formalism applicable to the solid, liquid, or glassy state. Explicit results are given in the mean spherical, LOGA, and EXP approximations. The Laplace transform of the wall-particle correlation function near a surface is obtained. From it, analytical expressions for the orientational density profile are derived and used to calculate the magnetization and magnetic susceptibility in the bulk. Magnetostriction is also discussed.

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Author notes

  1. Esteban Martina

    Present address: Departamento de Física, Universidad Nacional Autónoma de México, México 20, D.F., Mexico

Authors and Affiliations

  1. Department of Mechanical Engineering, State University of New York, 11794, Stony Brook, New York

    Esteban Martina

  2. Departments of Mechanical Engineering and Chemistry, State University of New York, 11794, Stony Brook, New York

    G. Stell

Authors
  1. Esteban Martina
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  2. G. Stell
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Martina, E., Stell, G. System of magnetic particles in an external magnetic field: Surface and bulk structure. J Stat Phys 27, 407–417 (1982). https://doi.org/10.1007/BF01008946

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  • DOI: https://doi.org/10.1007/BF01008946

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