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Polarons in Jahn–Teller Crystals: Intrinsic Difference between e g and t 2g Electrons

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Abstract

We investigate the difference in the polaronic effect between e g and t 2g electrons in transition-metal oxides. In general, we find that the effective-mass enhancement factor m */m of e g electrons becomes much smaller than that of t 2g ones due to the difference in the mathematical structure of each Jahn–Teller center or the presence/absence of rotational symmetry in the pseudospin space representing degeneracy of the orbitals.

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Authors and Affiliations

  1. Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba, 277-8581, Japan

    Yasutami Takada & Makoto Masaki

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  1. Yasutami Takada
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  2. Makoto Masaki
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Correspondence to Yasutami Takada.

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Takada, Y., Masaki, M. Polarons in Jahn–Teller Crystals: Intrinsic Difference between e g and t 2g Electrons. J Supercond Nov Magn 20, 629–633 (2007). https://doi.org/10.1007/s10948-007-0280-1

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  • DOI: https://doi.org/10.1007/s10948-007-0280-1

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