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The neutrino self-energy in a magnetized medium | | Alberto Bravo Garcia
; Kaushik Bhattacharya
; Sarira Sahu
; | | Date: |
27 Jun 2007 | | Abstract: | In this work we calculate the neutrino self-energy in presence of a
magnetized medium. The magnetized medium consists of electrons, positrons,
neutrinos and a uniform classical magnetic field. The calculation is done
assuming the background magnetic field is weak compared to the $W$-Boson mass
as a consequence of which only linear order corrections in the field are
included in the $W$ boson propagator. The electron propagator consists all
order corrections in the background field. Our calculation is specifically
suited for situations where the background plasma may be CP symmetric. As the
early universe is very nearly charge symmetric the calculation is relevant for
the physics of the early universe. More over modern observations suggest that
the regions of gamma ray bursts may also have a charge symmetric plasma and
consequently we hope our calculations can shade some light about neutrino
propagation in gamma ray bursts. | | Source: | arXiv, arxiv.0706.3921 | | Services: | Forum | Review | PDF | Favorites | |
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