Bulk entropy in loop quantum gravity

Etera R. Livine*, Daniel R. Terno

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    26 Citations (Scopus)

    Abstract

    In the framework of loop quantum gravity (LQG), we generalize previous boundary state counting for black hole entropy [E.R. Livine, D.R. Terno, Quantum black holes: Entropy and entanglement on the horizon, Nucl. Phys. B 741 (2006) 131, gr-qc/0508085] to a full bulk state counting. After suitable gauge fixing, we show how to compute the bulk entropy of a bounded region of space (the "black hole") with fixed boundary conditions. This allows to study in detail the relationship between the entropy and the boundary area and to identify a holographic regime for LQG where the leading order of the entropy scales with the area. In this regime we can fine tune the factor between entropy and area without changing the Immirzi parameter.

    Original languageEnglish
    Pages (from-to)138-153
    Number of pages16
    JournalNuclear Physics B
    Volume794
    Issue number1-2
    DOIs
    Publication statusPublished - 1 May 2008

    Fingerprint

    Dive into the research topics of 'Bulk entropy in loop quantum gravity'. Together they form a unique fingerprint.

    Cite this