Thursday, November 15, 2012

1211.3351 (Felix Finster)

The Continuum Limit of a Fermion System Involving Neutrinos: Weak and
Gravitational Interactions

Felix Finster
We analyze the causal action principle for a system of relativistic fermions composed of massive Dirac particles and neutrinos. In the continuum limit, we obtain an effective interaction described by a left-handed, massive SU(2) gauge field and a gravitational field. The off-diagonal gauge potentials involve a unitary mixing matrix, which is similar to the Maki-Nakagawa-Sakata matrix in the standard model.
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