Sep 1 – 2, 2022
Perimeter Institute for Theoretical Physics
America/Toronto timezone

Dynamics of black holes in asymptotically safe quantum gravity

Sep 1, 2022, 11:00 AM
Time Room (Perimeter Institute for Theoretical Physics)

Time Room

Perimeter Institute for Theoretical Physics


Johanna Borissova (Perimeter Institute)


Quantum counterparts to classical black holes provide an exciting ground for phenomenology of quantum gravity. Within the functional renormalization group approach to quantum gravity, we propose a novel method to account for quantum effects in classical spacetimes. At the core of our construction is decoupling mechanism: when a physical low-energy scale overcomes the effect of the artificial regulator implementing the Wilsonian integration of fluctuating modes, the effective average action freezes out and approximates the standard quantum effective action. Starting from the Einstein-Hilbert truncation, we use the decoupling mechanism to explore the dynamics of quantum black holes in the stages of collapse and evaporation.

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