Physics
Scientific paper
Jan 1970
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970phrvd...1..377b&link_type=abstract
Physical Review D, vol. 1, Issue 2, pp. 377-378
Physics
5
Scientific paper
The propagation of electromagnetic waves in a Fermi sea of neutrinos is investigated on the basis of the photon-neutrino weak-coupling theory and is compared with the result obtained by Royer on the basis of the (eν)(eν) coupling. It is shown that a photon propagating through the neutrino sea satisfies a dispersion relation of the form ω2=ω02+k2c2, where (ℏω0)2~6.2×10-23 EF2, EF being the Fermi energy of the sea. Finally, some remarks are made as to the possibility of the destruction of a photon when propagating through the sea due to the process γ+ν-->ν+ν+ν¯. It is found that the mean free path corresponding to this process is ~ 1069 cm, much larger than the radius of the universe.
Bandyopadhyay Pratul
Chaudhuri Probhas Ray
Saha Sushen Kumar
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