Phys. Rev. D 71, 081501(R) (2005) [5 pages]

Spherically symmetric quantum horizons

Abstract

References

Citing Articles (8)

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Martin Bojowald^*
Max-Planck-Institut für Gravitationsphysik, Albert-Einstein-Institut, Am Mühlenberg 1, D-14476 Potsdam, Germany

Rafal Swiderski^†
Max-Planck-Institut für Gravitationsphysik, Albert-Einstein-Institut, Am Mühlenberg 1, D-14476 Potsdam, Germany

Received 12 October 2004; revised 15 December 2004; published 8 April 2005

Isolated horizon conditions specialized to spherical symmetry can be imposed directly at the quantum level. This answers several questions concerning horizon degrees of freedom, which are seen to be related to orientation, and its fluctuations at the kinematical as well as dynamical level. In particular, in the absence of scalar or fermionic matter the horizon area is an approximate quantum observable. Including different kinds of matter fields allows to probe several aspects of the Hamiltonian constraint of quantum geometry that are important in inhomogeneous situations.

URL:

http://link.aps.org/doi/10.1103/PhysRevD.71.081501

DOI:

10.1103/PhysRevD.71.081501

PACS:

04.70.Dy, 04.60.Pp

^*Electronic address: mabo@aei.mpg.de

^†Electronic address: swiderski@aei.mpg.de

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Phys. Rev. D 71, 081501(R) (2005) [5 pages]

Spherically symmetric quantum horizons