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Entanglement entropy of a Maxwell field on the sphere
Horacio Casini, Marina Huerta
We compute the logarithmic coefficient of the entanglement entropy on a sphere for a Maxwell field in dimensions. In spherical coordinates the problem decomposes into one dim…
Holographic RG flows, entanglement entropy and the sum rule
Horacio Casini, Eduardo Teste, Gonzalo Torroba
We calculate the two-point function of the trace of the stress tensor in holographic renormalization group flows between pairs of conformal field theories. We show that the term pr…
Spread of entanglement and causality
Horacio Casini, Hong Liu, Márk Mezei
We investigate causality constraints on the time evolution of entanglement entropy after a global quench in relativistic theories. We first provide a general proof that the so-call…
Mutual information and the F-theorem
Horacio Casini, Marina Huerta, Robert C. Myers +1
Mutual information is used as a purely geometrical regularization of entanglement entropy applicable to any QFT. A coefficient in the mutual information between concentric circular…