%0 Journal Article %1 Solodukhin2010Entanglement %A Solodukhin, Sergey N. %D 2010 %K arxiv, entanglement %T Entanglement entropy of round spheres %U http://arxiv.org/abs/1008.4314 %X We propose that the logarithmic term in the entanglement entropy computed in a conformal field theory for a \$(d-2)\$-dimensional round sphere in Minkowski spacetime is identical to the logarithmic term in the entanglement entropy of extreme black hole. The near-horizon geometry of the latter is \$H\_2\times S\_d-2\$. For a scalar field this proposal is checked by direct calculation. We comment on relation of this and earlier calculations to the ``brick wall'' model of 't Hooft. The case of generic 4d conformal field theory is discussed.

@article{Solodukhin2010Entanglement, abstract = {We propose that the logarithmic term in the entanglement entropy computed in a conformal field theory for a \$(d-2)\$-dimensional round sphere in Minkowski spacetime is identical to the logarithmic term in the entanglement entropy of extreme black hole. The near-horizon geometry of the latter is \$H\_2\times S\_{d-2}\$. For a scalar field this proposal is checked by direct calculation. We comment on relation of this and earlier calculations to the ``brick wall'' model of 't Hooft. The case of generic 4d conformal field theory is discussed.}, added-at = {2019-02-26T10:37:35.000+0100}, archiveprefix = {arXiv}, author = {Solodukhin, Sergey N.}, biburl = {https://www.bibsonomy.org/bibtex/2e173f6260a7bd81589ed7d8d5547f6e3/acastro}, citeulike-article-id = {7714210}, citeulike-linkout-0 = {http://arxiv.org/abs/1008.4314}, citeulike-linkout-1 = {http://arxiv.org/pdf/1008.4314}, day = 25, eprint = {1008.4314}, interhash = {3cb20afdf4f8689eb761320e4db1e2fe}, intrahash = {e173f6260a7bd81589ed7d8d5547f6e3}, keywords = {arxiv, entanglement}, month = aug, posted-at = {2010-08-26 14:13:44}, priority = {2}, timestamp = {2019-02-26T10:37:35.000+0100}, title = {{Entanglement entropy of round spheres}}, url = {http://arxiv.org/abs/1008.4314}, year = 2010 }