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Gravitational collapse with quantum fields
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Gravitational collapse into a black hole has been extensively studied with classical sources. We develop a new formalism to simulate quantum fields forming a black hole. This formalism utilizes well-established techniques used for classical collapse by choosing a convenient coherent state, and simulates the matter fields quantum mechanically. Divergences are regularized with the cosmological constant and Pauli-Villars fields. Using a massless spherically symmetric scalar field as an example, we demonstrate the effectiveness of the formalism by reproducing some classical results in gravitational collapse, and identifying the difference due to quantum effects.
Forward citations
Cited by 2 Pith papers
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Quantum fields in boson star spacetime
In boson star spacetimes, the renormalized quantum stress tensor has mostly positive energy density and negative radial pressure that grow with curvature, rivaling the classical stress in the most compact solutions.
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SpheriCo.jl enables longer semiclassical collapse simulations and yields hints of non-trivial correlations of the scalar field across a dynamically formed apparent horizon.
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