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Bipolarons in the intermediate coupling method

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Abstract

The properties of polarons and bipolarons are studied by the intermediate coupling method, which takes electron-lattice coupling into account. A Coulomb correlation in the electron motion is included. When the Fröhlich coupling constant is reduced, at α*=5.7 a bipolaron decays suddenly from a self-trapped state into two delocalized polarons. A phase diagram is constructed for the region where the stable bipolaron exists. These results are compared with those obtained by integration along trajectories.

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Authors and Affiliations

  1. Institute of Chemistry, Academy of Sciences of Uzbekistan, 700170, Tashkent, Uzbekistan

    P. Zh. Baimatov, D. Ch. Khuzhakulov & Kh. T. Sharipov

Authors
  1. P. Zh. Baimatov
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  2. D. Ch. Khuzhakulov
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  3. Kh. T. Sharipov
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Additional information

Fiz. Tverd. Tela (St. Petersburg) 39, 284–285 (February 1997)

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Baimatov, P.Z., Khuzhakulov, D.C. & Sharipov, K.T. Bipolarons in the intermediate coupling method. Phys. Solid State 39, 248–249 (1997). https://doi.org/10.1134/1.1129792

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  • DOI: https://doi.org/10.1134/1.1129792

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