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Entangled quantum fields near the event horizon and entropy |
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| Authors: | A Iorio G Lambiase G Vitiello |
| Institution: | a Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA b INFN, Rome, Italy c Dipartimento di Fisica “E.R.Caianiello,” Università di Salerno, Baronissi (SA) 84081, Italy d INFN, Gruppo Collegato di Salerno, Italy e INFM, Salerno, Italy |
| Abstract: | By fully exploiting the existence of the unitarily inequivalent representations of quantum fields, we exhibit the entanglement between inner and outer particles, with respect to the event horizon of a black hole. We compute the entanglement entropy and we find that the non-unitarity of the mapping, between the vacua in the flat and the curved frames, makes the entanglement very robust. |
| Keywords: | 03 65 Ud 04 62 +v 04 70 Dy |
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