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hep-th2024
Condensate decay in a radiation dominated cosmology
Shuyang Cao, Daniel Boyanovsky
We study the decay of a homogeneous condensate of a massive scalar field of mass \emph{m} into massless fields in thermal equilibrium in a radiation dominated cosmology. The model…
hep-th2018
Quantum decay in renormalizable field theories: quasiparticle formation, Zeno and anti-Zeno effects
Daniel Boyanovsky
In a renormalizable theory the survival probability of an unstable quantum state features divergences as a consequence of the rapid growth of the density of states with energy. Int…