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Oscillon preheating in full general relativity

Journal Article · · Classical and Quantum Gravity
Abstract

Oscillons are dense nonperturbative objects that may be copiously produced in the preheating period after inflation. Oscillon preheatings are usually simulated with nonlinear matter interactions but in a rigid FLRW background, without taking into account the gravitational backreactions. We investigate the oscillon preheating scenario in full general relativity with a full numerical relativity scheme, and compare the general-relativistic simulations with the traditional ones done in an FLRW background. We find that in certain parameter regions the general-relativistic corrections are significant, producing more and denser oscillons, and can be strong enough to collapse the oscillons to black holes.

Research Organization:
Case Western Reserve Univ., Cleveland, OH (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
SC0009946;
OSTI ID:
1851215
Journal Information:
Classical and Quantum Gravity, Journal Name: Classical and Quantum Gravity Journal Issue: 4 Vol. 38; ISSN 0264-9381
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English

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