Gravity triggered neutrino condensates

Details Gravity triggered neutrino condensates Gravity triggered neutrino condensates

2010-09-13

arxiv.org/abs/1009.2504v1

Phys.Rev.D82:093014,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, 10 figures

Scientific paper

10.1103/PhysRevD.82.093014

In this work we use the Schwinger-Dyson equations to study the possibility that an enhanced gravitational attraction triggers the formation of a right handed neutrino condensate, inducing dynamical symmetry breaking and generating a Majorana mass for the right handed neutrino at a scale appropriate for the see-saw mechanism. The composite field formed by the condensate phase could drive an early epoch of inflation. We find that to the lowest order, the theory does not allow dynamical symmetry breaking. Nevertheless, thanks to the large number of matter fields in the model, the suppression by additional powers in G of higher order terms can be compensated, boosting them up to their lowest order counterparts. This way chiral symmetry can be broken dynamically and the infrared mass generated turns out to be in the expected range for a successful see-saw scenario.

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