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Roman Pasechnik

Senior lecturer

Typical working day..

Mirror QCD and cosmological constant

Author

  • Roman Pasechnik
  • George Prokhorov
  • Oleg Teryaev

Summary, in English

An analog of Quantum Chromo Dynamics (QCD) sector known as mirror QCD (mQCD) can affect the cosmological evolution due to a non-trivial contribution to the Cosmological Constant analogous to that induced by the ground state in non-perturbative QCD. In this work, we explore a plausible hypothesis for trace anomalies cancellation between the usual QCD and mQCD. Such an anomaly cancellation between the two gauge theories, if it exists in Nature, would lead to a suppression or even elimination of their contributions to the Cosmological Constant. The trace anomaly compensation condition and the form of the non-perturbative mQCD coupling constant in the infrared limit have been proposed by analysing a partial non-perturbative solution of the Einstein-Yang-Mills equations of motion.

Department/s

  • Theoretical Particle Physics

Publishing year

2017-06-01

Language

English

Publication/Series

Universe

Volume

3

Issue

2

Document type

Journal article

Publisher

Multidisciplinary Digital Publishing Institute (MDPI)

Topic

  • Other Physics Topics

Keywords

  • Cosmological constant
  • Mirror QCD
  • QCD vacuum

Status

Published

ISBN/ISSN/Other

  • ISSN: 2218-1997