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(P)arity violation in QCD motivated hadronic models at extreme conditions

  • Session “Quantum Field Theory and Theory of Elementary Particles”
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Abstract

We investigate the possibility of parity being spontaneously violated in QCD at finite baryon density and temperature. QCD is approximated by a generalized σ model with two isomultiplets of scalars and pseudoscalars. The mechanism of parity violation is based on interplay between lightest and heavier degrees of freedom and it cannot be understood in simple models retaining the pion and nucleon sectors solely. We argue that, in the dense and hot nuclear matter of a few normal densities and moderate temperatures, parity violation may arise due to a second-order phase transition and its occurrence is well compatible with the existence of stable bound state of normal nuclear matter.

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Authors and Affiliations

  1. V.A. Fock Department of Theoretical Physics, St. Petersburg State University, St. Petersburg, Russia

    A. A. Andrianov & V. A. Andrianov

  2. Departament d’Estructura i Constituents de la Matèria and ICCUB Institut de Ciències del Cosmos, Universitat de Barcelona, Barcelona, Spain

    D. Espriu

Authors
  1. A. A. Andrianov
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  2. V. A. Andrianov
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  3. D. Espriu
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Correspondence to A. A. Andrianov.

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Andrianov, A.A., Andrianov, V.A. & Espriu, D. (P)arity violation in QCD motivated hadronic models at extreme conditions. Phys. Part. Nuclei 41, 896–900 (2010). https://doi.org/10.1134/S1063779610060146

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  • DOI: https://doi.org/10.1134/S1063779610060146

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