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Phonon-like excitations of instanton liquid

  • Elementary Particles and Fields
  • Theory
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Abstract

Phonon-like excitations of an anti-instanton-instanton liquid that are due to adiabatic variations in the instanton dimension are considered on the basis of an approximate calculation of the relevant path integral, which is saturated by quasizero modes. The kinetic term and the effective Lagrangian are found for such excitations. The properties of their spectrum, which has a mass gap determined by ΛQCD, are discussed.

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Authors and Affiliations

  1. Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine, Metrologicheskaya ul. 14b, Kiev, 252143, Ukraine

    G. M. Zinovjev

  2. Institute of Nuclear Physics, Moscow State University, Vorob’evy gory, Moscow, 119899, Russia

    A. M. Snigirev

  3. Institute of Theoretical and Experimental Physics, Bol’shaya Cheremushkinskaya ul. 25, Moscow, 117259, Russia

    G. M. Zinovjev, S. V. Molodtsov & A. M. Snigirev

Authors
  1. G. M. Zinovjev
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  2. S. V. Molodtsov
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  3. A. M. Snigirev
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__________

Translated from Yadernaya Fizika, Vol. 63, No. 5, 2000, pp. 975–979.

Original Russian Text Copyright © 2000 by Zinovjev, Molodtsov, Snigirev.

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Zinovjev, G.M., Molodtsov, S.V. & Snigirev, A.M. Phonon-like excitations of instanton liquid. Phys. Atom. Nuclei 63, 903–907 (2000). https://doi.org/10.1134/1.855722

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  • DOI: https://doi.org/10.1134/1.855722

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