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QCD surprises : Strong CP problem, neutrino mass, Dark Matter and Dark Energy

Addazi, Andrea ; Marcianò, Antonino ; Pasechnik, Roman LU and Zeng, Kaiqiang Alan (2022) In Physics of the Dark Universe 36.
Abstract

An unexpected explanation for neutrino mass, Dark Matter (DM) and Dark Energy (DE) from genuine Quantum Chromodynamics (QCD) of the Standard Model (SM) is proposed here, while the strong CP problem is resolved without any need to account for fundamental axions. We suggest that the neutrino sector can be in a double phase in the Universe: i) relativistic neutrinos, belonging to the SM; ii) non-relativistic condensate of Majorana neutrinos. The condensate of neutrinos can provide an attractive alternative candidate for the DM, being in a cold coherent state. We will explain how neutrinos, combining into Cooper pairs, can form collective low-energy degrees of freedom, hence providing a strongly motivated candidate for the QCD (composite)... (More)

An unexpected explanation for neutrino mass, Dark Matter (DM) and Dark Energy (DE) from genuine Quantum Chromodynamics (QCD) of the Standard Model (SM) is proposed here, while the strong CP problem is resolved without any need to account for fundamental axions. We suggest that the neutrino sector can be in a double phase in the Universe: i) relativistic neutrinos, belonging to the SM; ii) non-relativistic condensate of Majorana neutrinos. The condensate of neutrinos can provide an attractive alternative candidate for the DM, being in a cold coherent state. We will explain how neutrinos, combining into Cooper pairs, can form collective low-energy degrees of freedom, hence providing a strongly motivated candidate for the QCD (composite) axion.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Dark Energy, Dark Matter, Neutrino mass, Strong CP problem in QCD
in
Physics of the Dark Universe
volume
36
article number
101007
publisher
Elsevier
external identifiers
  • scopus:85128674753
ISSN
2212-6864
DOI
10.1016/j.dark.2022.101007
language
English
LU publication?
yes
id
0a81621b-5b6f-436e-a7bc-95ca803d0bac
date added to LUP
2022-06-30 14:18:32
date last changed
2025-04-04 15:30:20
@article{0a81621b-5b6f-436e-a7bc-95ca803d0bac,
  abstract     = {{<p>An unexpected explanation for neutrino mass, Dark Matter (DM) and Dark Energy (DE) from genuine Quantum Chromodynamics (QCD) of the Standard Model (SM) is proposed here, while the strong CP problem is resolved without any need to account for fundamental axions. We suggest that the neutrino sector can be in a double phase in the Universe: i) relativistic neutrinos, belonging to the SM; ii) non-relativistic condensate of Majorana neutrinos. The condensate of neutrinos can provide an attractive alternative candidate for the DM, being in a cold coherent state. We will explain how neutrinos, combining into Cooper pairs, can form collective low-energy degrees of freedom, hence providing a strongly motivated candidate for the QCD (composite) axion.</p>}},
  author       = {{Addazi, Andrea and Marcianò, Antonino and Pasechnik, Roman and Zeng, Kaiqiang Alan}},
  issn         = {{2212-6864}},
  keywords     = {{Dark Energy; Dark Matter; Neutrino mass; Strong CP problem in QCD}},
  language     = {{eng}},
  publisher    = {{Elsevier}},
  series       = {{Physics of the Dark Universe}},
  title        = {{QCD surprises : Strong CP problem, neutrino mass, Dark Matter and Dark Energy}},
  url          = {{http://dx.doi.org/10.1016/j.dark.2022.101007}},
  doi          = {{10.1016/j.dark.2022.101007}},
  volume       = {{36}},
  year         = {{2022}},
}