[QUAST Seminar] Ana-Maria Raclariu: Entanglement, soft modes and celestial holography

Date

2024年4月25日 (木) 16:00

Location

L4E26

Description

In this talk I will revisit the calculation of entanglement entropy in free Maxwell theory in 3+1 dimensional Minkowski spacetime. I will characterize the soft sector associated with a subregion and demonstrate that conformally soft mode configurations at the entangling surface, or equivalently correlated fluctuations in the large gauge charges of the subregion and its complement, give a non-trivial contribution to the entanglement entropy across a cut of future null infinity. I will conclude with some comments on the holographic description of bulk subregions in asymptotically flat spacetimes.

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