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Black Hole's Quantum N-Portrait
Gia Dvali, Cesar Gomez
We establish a quantum measure of classicality in the form of the occupation number, , of gravitons in a gravitational field. This allows us to view classical background geometr…
Problems with False Vacua in Supersymmetric Theories
Borut Bajc, Gia Dvali, Goran Senjanovic
It has been suggested recently that in a consistent theory any Minkowski vacuum must be exactly stable. As a result, a large class of theories that in ordinary treatment would appe…
Safety of Minkowski Vacuum
Gia Dvali
We give a simple argument suggesting that in a consistent quantum field theory tunneling from Minkowski to a lower energy vacuum must be impossible. Theories that allow for such a…
Classical Dimensional Transmutation and Confinement
Gia Dvali, Cesar Gomez, Slava Mukhanov
We observe that probing certain classical field theories by external sources uncovers the underlying renormalization group structure, including the phenomenon of dimensional transm…
Classicalization of Gravitons and Goldstones
Gia Dvali, Cesar Gomez, Alex Kehagias
We establish a close parallel between classicalization of gravitons and derivatively-coupled Nambu-Goldstone-type scalars. We show, that black hole formation in high energy scatter…
Classicalize or not to Classicalize?
Gia Dvali
We show that theories that exhibit classicalization phenomenon cease to do so as soon as they are endowed a Wilsonian weakly-coupled UV-completion that restores perturbative unitar…