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Bulk entropy in loop quantum gravity

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 May 2008Embargo end date: 01 Jan 2007 English Publisher:Elsevier BVJournal:Nuclear Physics B, volume 794, pages 138-153 (issn: 0550-3213, Copyright policy )
Authors: Livine, Etera R.; Terno, Daniel R.;

doi: 10.1016/j.nuclphysb.2007.10.027 , 10.48550/arxiv.0706.0985

arXiv: 0706.0985

Bulk entropy in loop quantum gravity

Abstract

In the framework of loop quantum gravity (LQG), having quantum black holes in mind, we generalize the previous boundary state counting (gr-qc/0508085) to a full bulk state counting. After a suitable gauge fixing we are able to compute the bulk entropy of a bounded region (the "black hole") with fixed boundary. This allows us to study the relationship between the entropy and the boundary area in details and we identify a holographic regime of LQG where the leading order of the entropy scales with the area. We show that in this regime we can fine tune the factor between entropy and area without changing the Immirzi parameter.

13 pages

Related Organizations
Keywords

loop quantum gravity, Black holes, Applications of graph theory, FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), spin network coarse-graining, Lattice gravity, Regge calculus and other discrete methods in general relativity and gravitational theory, General Relativity and Quantum Cosmology, holographic principle, black hole, Quantization of the gravitational field, entropy

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
29
Top 10%
Top 10%
Average
Green
gold