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Trace anomaly and black holes evaporation

F. Canfora·G. Vilasi
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Abstract

A model is proposed to describe a transition from a Schwarzschild black hole of mass $M_{0}$ to a Schwarzschild black hole of mass $M_{1}$ $\leq M_{0}$. The basic equations are derived from the non-vacuum Einstein field equations taking a source representing a null scalar field with a nonvanishing trace anomaly. It is shown that the nonvanishing trace anomaly of the scalar field prevents a complete evaporation.

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F. Canfora, G. Vilasi. 2003-05-05. Trace anomaly and black holes evaporation. https://arxiv.org/abs/gr-qc/0302036

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