Year: 2014
Type: article
Abstract: In loop quantum gravity, the number of microstates of a black hole for a given discrete geometry Γ depends on the so-called Barbero-Immirzi parameter γ . Using a suitable analytic continuation of γ to complex values, we show that the number of microstates behaves as for a large area A in the large spin semiclassical limit. Such a correspondence with the semiclassical Bekenstein-Hawking entropy law points towards an unanticipated and remarkable feature of the original complex Ashtekar variables for quantum gravity.
Source: Europhysics Letters (EPL)
Authors: E. Frodden, M. Geiller, K. Noui, A. Perez
Language: English
Subfield: Statistical and Nonlinear Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W2103773600