Where are the black hole entropy degrees of freedom?

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dc.contributor.authorDas, Saurya
dc.contributor.authorShankaranarayanan, S.
dc.date.accessioned2016-01-06T19:48:20Z
dc.date.available2016-01-06T19:48:20Z
dc.date.issued2016-01-06
dc.descriptionSherpa Romeo green journal. “This is an author-created, un-copyedited version of an article accepted for publication/published in Classical and Quantum Gravity. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it."en_US
dc.description.abstractUnderstanding the area-proportionality of black hole entropy (the ‘Area Law’) from an underlying fundamental theory has been one of the goals of all models of quantum gravity. A key question that one asks is: where are the degrees of freedom giving rise to black hole entropy located? Taking the point of view that entanglement between field degrees of freedom inside and outside the horizon can be a source of this entropy, we show that when the field is in its ground state, the degrees of freedom near the horizon contribute most to the entropy, and the area law is obeyed. However, when it is in an excited state, degrees of freedom far from the horizon contribute more significantly, and deviations from the area law are observed. In other words, we demonstrate that horizon degrees of freedom are responsible for the area law.en_US
dc.description.peer-reviewNoen_US
dc.identifier.citationDas, S., & Shankaranarayanan, S. (2007). Where are the black-hole entropy degrees of freedom? Classical and Quantum Gravity, 24(20), 5299-5306. https://doi.org/10.1088/0164-9381/24/20/022
dc.identifier.urihttps://hdl.handle.net/10133/3857
dc.language.isoen_CAen_US
dc.publisher.departmentDepartment of Physicsen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.publisher.institutionMax-Planck-Institut für Gravitationphysiken_US
dc.publisher.urlhttps://doi.org/10.1088/0264-9381/24/20/022
dc.subjectBlack hole entropyen_US
dc.subjectDegrees of freedomen_US
dc.subjectEntropyen_US
dc.subjectHorizonen_US
dc.titleWhere are the black hole entropy degrees of freedom?en_US
dc.typeArticleen_US
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