Fermion Mass Generation in de Sitter Space
arXiv:gr-qc/0602011 · doi:10.1103/PhysRevD.73.064036
Abstract
We study the one-loop radiative corrections for massless fermions in de Sitter space induced by a Yukawa coupling to a light, nearly minimally coupled scalar field. We show that the fermions acquire a mass. Next we construct the corresponding (nonlocal) effective fermionic action, which -- in contrast to the case of a massive Dirac fermion -- preserves chirality. Nevertheless, the resulting fermion dynamics is precisely that of a Dirac fermion with a mass proportional to the expansion rate. Our finding supports the view that an observer or a test particle responds to a scalar field in inflation by shifting its energy rather than seeing a thermal bath.
17 pages, 3 figures, LaTeX
References in corpus (12)
- Photon mass from inflation
- One Loop Vaccum Polarization in a Locally de Sitter Background
- The Fermion Self-Energy during Inflation
- Production of Massless Fermions during Inflation
- Dynamics of super-horizon photons during inflation with vacuum polarization
- Vacuum polarization and photon mass in inflation
- Photon mass generation during inflation: de Sitter invariant case
- Nearly Minimal Magnetogenesis
- Particle number in kinetic theory
- Unruh response functions for scalar fields in de Sitter space
- Energy Density in Expanding Universes as Seen by Unruh's Detector
- Lamb Shift of Unruh Detector Levels
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