Soviet Physics Journal

, Volume 27, Issue 8, pp 688–692 | Cite as

Polaron with an arbitrary coupling force

  • N. V. Tkach
  • N. V. Lopushanskaya
Physics of Elementary Particles and Field Theory


The diagrammatic technique is used to find the mass operator, whose use in solving the dispersion equation determines the dependence of the energy of the ground state of a polaron on the arbitrary value of the coupling constant α.


Dispersion Equation Mass Operator Coupling Force Diagrammatic Technique Arbitrary Coupling 
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Literature cited

  1. 1.
    J. Appel, Polarons [Russian translation], Nauka, Moscow (1975).Google Scholar
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    H. Fröhlich, H. Pelzer, and S. Zienan, Phyl. Mag.,41, 221 (1950).Google Scholar
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    T. D. Lee and D. Pines, Phys. Rev.,92, 883 (1953).Google Scholar
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    R. P. Feynman, Phys. Rev.,97, 660 (1955).Google Scholar
  5. 5.
    G. Whitfield and R. Puff, in: Polarons and Excitons, Plenum Press, Vol. 4 (1962), p. 171.Google Scholar

Copyright information

© Plenum Publishing Corporation 1985

Authors and Affiliations

  • N. V. Tkach
    • 1
  • N. V. Lopushanskaya
    • 1
  1. 1.Chernovitskii State UniversityUSSR

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