Asymptotic Entropy Bounds
arXiv:1606.02297 · doi:10.1103/PhysRevD.94.024018
Abstract
We show that known entropy bounds constrain the information carried off by radiation to null infinity. We consider distant, planar null hypersurfaces in asymptotically flat spacetime. Their focussing and area loss can be computed perturbatively on a Minkowski background, yielding entropy bounds in terms of the energy flux of the outgoing radiation. In the asymptotic limit, we obtain boundary versions of the Quantum Null Energy Condition, of the Generalized Second Law, and of the Quantum Bousso Bound.
11 pages, 2 figures. v2: definition corrected, references updated
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