82 citations · 82 across the 1 of their papers we have counts for
2 papers
hep-th2006★ 82 cited
Lifetime of a massive particle in a de Sitter universe
Jacques Bros, Henri Epstein, Ugo Moschella
We study particle decay in de Sitter space-time as given by first order perturbation theory in an interacting quantum field theory. We show that for fields with masses above a crit…
hep-th2002
Microcausality and Energy-Positivity in all frames imply Lorentz Invariance of dispersion laws
J. Bros, H. Epstein
A new presentation of the Borchers-Buchholz result of the Lorentz-invariance of the energy-momentum spectrum in theories with broken Lorentz symmetry is given in terms of propertie…