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Quantum Hair During Gravitational Collapse
Xavier Calmet, Roberto Casadio, Stephen D. H. Hsu +1
We consider quantum gravitational corrections to the Oppenheimer-Snyder metric describing time-dependent dust ball collapse. The interior metric also describes Friedmann-Lemaitre-R…
Quantum Gravitational Corrections to Particle Creation by Black Holes
Xavier Calmet, Stephen D. H. Hsu, Marco Sebastianutti
We calculate quantum gravitational corrections to the amplitude for the emission of a Hawking particle by a black hole. We show explicitly how the amplitudes depend on quantum corr…
Quantum Hair in Electrodynamics and Gravity
Xavier Calmet, Stephen D. H. Hsu
We demonstrate the existence of quantum hair in electrodynamics and gravity using effective action techniques. In the case of electrodynamics we use the Euler-Heisenberg effective…
A Brief History of Hawking's Information Paradox
Xavier Calmet, Stephen D. H. Hsu
In this invited review, we describe Hawking's information paradox and a recently proposed resolution of it. Explicit calculations demonstrate the existence of quantum hair on black…
Quantum Hair and Black Hole Information
Xavier Calmet, Stephen D. H. Hsu
It has been shown that the quantum state of the graviton field outside a black hole horizon carries information about the internal state of the hole. We explain how this allows uni…
Quantum Hair from Gravity
Xavier Calmet, Roberto Casadio, Stephen D. H. Hsu +1
We explore the relationship between the quantum state of a compact matter source and of its asymptotic graviton field. For a matter source in an energy eigenstate, the graviton sta…