Particles can decay via gravitational interaction
Gravitational interactions can induce particle decay and influence decay rates, as demonstrated in cosmological models of particle production and curved spacetime quantum field theory.
The retrieved papers provide theoretical and cosmological evidence that particles can decay through gravitational interactions, such as gravitational particle production and inflaton decays into gravitons or matter fields. The literature consistently supports the claim through models of quantum field theory in curved spacetime, and no retrieved papers refute it.
Da Huang, Lu Yin. Stochastic gravitational waves from inflaton decays. 2019. https://doi.org/10.1103/PhysRevD.100.043538
Studies the perturbative decay of the inflaton into particles with the emission of gravitons due to the universality of gravitational interactions.
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Yuki Watanabe, Jonathan White. Multifield formulation of gravitational particle production after inflation. 2015. https://doi.org/10.1103/PhysRevD.92.023504
Demonstrates that the inflaton sector can decay into matter through its non-minimal coupling to gravity, reheating the universe gravitationally.
Ki-Young Choi, Erdenebulgan Lkhagvadorj, Satyabrata Mahapatra. Gravitational wave sourced by decay of massive particle from primordial black hole evaporation. 2024. https://doi.org/10.1088/1475-7516/2024/07/064
Investigates the decay of particles produced by Hawking radiation, noting that particle decays inevitably entail the emission of gravitons via bremsstrahlung.
Juho Lankinen, I. Vilja. Decay of a massive particle in a stiff-matter-dominated universe. 2017. https://doi.org/10.1103/PhysRevD.96.105026
Calculates the transition probability and decay rates for a massive scalar particle in a gravitational field, showing that gravity modifies particle decay.
Juho Lankinen, I. Vilja. Particle decay in expanding Friedmann-Robertson-Walker universes. 2018. https://doi.org/10.1103/PhysRevD.98.045010
Examines how particle decay rates are altered in curved spacetime and expanding universes due to gravitational interactions.
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