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Proof of the Quantum Null Energy Condition
Raphael Bousso, Zachary Fisher, Jason Koeller +2
We prove the Quantum Null Energy Condition (QNEC), a lower bound on the stress tensor in terms of the second variation in a null direction of the entropy of a region. The QNEC aros…
Anomalies of the Entanglement Entropy in Chiral Theories
Nabil Iqbal, Aron C. Wall
We study entanglement entropy in theories with gravitational or mixed U(1) gauge-gravitational anomalies in two, four and six dimensions. In such theories there is an anomaly in th…
Geometric entropy and edge modes of the electromagnetic field
William Donnelly, Aron C. Wall
We calculate the vacuum entanglement entropy of Maxwell theory in a class of curved spacetimes by Kaluza-Klein reduction of the theory onto a two-dimensional base manifold. Using t…
The holographic entropy increases in quadratic curvature gravity
Srijit Bhattacharjee, Sudipta Sarkar, Aron C. Wall
Standard methods for calculating the black hole entropy beyond general relativity are ambiguous when the horizon is non stationary. We fix these ambiguities in all quadratic curvat…
A Second Law for Higher Curvature Gravity
Aron C. Wall
The Second Law of black hole thermodynamics is shown to hold for arbitrarily complicated theories of higher curvature gravity, so long as we allow only linearized perturbations to…