Hawking radiation and secularly growing loop corrections

Abstract

We study the expectation value of the energy momentum tensor during thin shell collapse for a massive, real, scalar field theory. At tree-level, we find thermal, Hawking-type, behaviour for the energy flux. Using the Schwinger-Keldysh technique, we calculate two-loop corrections to the tree-level correlation functions and show that they exhibit secular growth, suggesting the breakdown of the perturbation theory.

28 pages, but general physical explanation is given in the introduction; Final version that is going to appear in PRD

References in corpus (6)

• Observation of Incipient Black Holes and the Information Loss Problem
• Radiation from a collapsing object is manifestly unitary
• Secularly growing loop corrections in strong electric fields
• How Black Holes Burn
• Schwarzschild radial perturbations in Eddington-Finkelstein and Painlevé-Gullstrand coordinates
• Comment on `Hawking radiation from fluctuating black holes'

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