JETP Letters

, Volume 94, Issue 9, pp 673–675 | Cite as

Superluminal neutrino and spontaneous breaking of Lorentz invariance

  • F. R. Klinkhamer
  • G. E. Volovik
Astrophysics and Cosmology


Generally speaking, the existence of a superluminal neutrino can be attributed either to re-entrant Lorentz violation at ultralow energy from intrinsic Lorentz violation at ultrahigh energy or to spontaneous breaking of fundamental Lorentz invariance (possibly by the formation of a fermionic condensate). Re-entrant Lorentz violation in the neutrino sector has been discussed elsewhere. Here, the focus is on mechanisms of spontaneous symmetry breaking.


Lorentz Invariance Spontaneous Symmetry Breaking Spontaneous Breaking Neutrino Sector Lorentz Violation 
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Copyright information

© Pleiades Publishing, Ltd. 2011

Authors and Affiliations

  1. 1.Institute for Theoretical PhysicsUniversity of Karlsruhe, Karlsruhe Institute of TechnologyKarlsruheGermany
  2. 2.Low Temperature LaboratoryAalto UniversityAaltoFinland
  3. 3.Landau Institute for Theoretical PhysicsRussian Academy of SciencesChernogolovka, Moscow regionRussia

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