Physics – Nuclear Physics
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981nuphb.180..181b&link_type=abstract
Nuclear Physics B, Volume 180, Issue 1, p. 181-188.
Physics
Nuclear Physics
2
Scientific paper
We investigate decay processes in an expanding universe. The Born approximation conforms to one's expectations: emission of particles with energy conservation and subsequent cooling down. Interference graphs containing CP-violating effects are then investigated with an eye to discovering a violation of TCP. Such effects are found to be much smaller than what one might have thought, even for very rapid expansion and in the particular cosmology described by an asymptotic de Sitter space, TCP violations vanish identically.
Brout Robert
Englert Francois
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