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Disentanglement and Black Holes: Information Problem

100%
Radosz A., Gusin P., Roszak K.
Acta Physica Polonica A
|
2017
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vol. 132
|
issue 1
132-134
EN
One of the possible ways of formulation of an information loss paradox refers to an entanglement of the two particles created in a vicinity of an event horizon. Evolution of the entangled particles and an interaction with their own environments should lead to a decay of the entanglement. However obvious, such a perspective appears to be too naive in this case.
2
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Entropy of charged dilaton-axion black hole with minimal length revisited

76%
Wang C., Gui Y., Xing L.
Open Physics
|
2009
|
vol. 7
|
issue 3
630-637
EN
Using the generalized uncertainty principle, we calculate the entropy of the charged dilaton-axion black hole for both asymptotically flat and non-flat cases by counting degrees of freedom near the horizon. The divergence of density of states and free energy appearing in the thin film brick-wall model is removed without any cutoff. The entropy proportional to the horizon area is derived from the contribution of the vicinity of the horizon.
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