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Integrable chain of electrons coupled with squeezed phonons

  • Condensed Matter
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Abstract

The exact wave function for a one-dimensional chain of electrons coupled with squeezed phonons is obtained. The ground state energy and the gap in the electron spectrum are calculated. It is shown that there exists an optimal phonon number n ph≠0 for the ground state of the system. The results are generalized for a system of correlated electrons.

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Authors and Affiliations

  1. Institute for Molecular Science Okazaki, National Research Institute Center, Myodaiji, Okazaki, 444, Japan

    V. A. Ivanov

  2. Institute of General & Inorganic Chemistry of the Russian Academy of Sciences, 117907, Moscow, Russia

    M. Ye. Zhuravlev

  3. Advanced Research Laboratory, Hitachi Ltd., Hatoyama, Saitama, 350-03, Japan

    Y. Murayama

  4. Tokai University, Shibuya-ku, Tokyo, 151, Japan

    S. Nakajima

Authors
  1. V. A. Ivanov
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  2. M. Ye. Zhuravlev
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  3. Y. Murayama
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  4. S. Nakajima
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Additional information

Pis’ma Zh. Éksp. Teor. Fiz. 64, No. 3, 140–145 (10 August 1996)

On leave from Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, 31 Leninskii prosp., GSP-1, Moscow, 117907, Russia

Published in English in the original Russian journal. Edited by Steve Torstveit.

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Ivanov, V.A., Zhuravlev, M.Y., Murayama, Y. et al. Integrable chain of electrons coupled with squeezed phonons. Jetp Lett. 64, 148–154 (1996). https://doi.org/10.1134/1.567166

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  • DOI: https://doi.org/10.1134/1.567166

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