Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-05-16
Phys.Rev.D80:045016,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pages, to appear in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.80.045016
We demonstrate that Majorana neutrinos can form Cooper pairs due to long-range attractive forces and show BCS superfluidity in a class of mass varying neutrino dark energy models. We describe the condensates for Majorana neutrinos and estimate the value of the gap, critical temperature and Pippard coherence length for a simple neutrino dark energy model. In the strong coupling regime bosonic degree of freedom can become important and Bose-Einstein condensate may govern the dynamics for the mass varying neutrino models. Formation of the condensates can significantly alter the instability scenario in the mass varying neutrino models.
Bhatt Jitesh R.
Sarkar Utpal
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