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Rare Earth systems in a magnetic field: Coupling of elastic and magnetic properties

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Zeitschrift für Physik B Condensed Matter

Abstract

We study the mutual influence of magnetic and elastic properties of a Rare Earth system as an external magnetic field is applied. It is demonstrated that a magnetic phase transition should show up in the temperature dependence of certain sound velocities. Furthermore the magnetic field should induce a hybridization between the magnetic excitons and phonons. Although the theory is valid for any crystal field level scheme we use for an explicit example a singletΓ 1 groundstate with aΓ 4 triplet first excited state.

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Authors and Affiliations

  1. Max-Planck-Institut für Festkörperforschung, Büsnauer Straße 171, D-7000, Stuttgart 80, Büsnau, Federal Republic of Germany

    Peter Thalmeier & Peter Fulde

Authors
  1. Peter Thalmeier
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  2. Peter Fulde
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Thalmeier, P., Fulde, P. Rare Earth systems in a magnetic field: Coupling of elastic and magnetic properties. Z Physik B 22, 359–366 (1975). https://doi.org/10.1007/BF01312806

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  • DOI: https://doi.org/10.1007/BF01312806

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