Quantum gravity: mixed states from diffeomorphism anomalies View Full Text


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Article Info

DATE

2011-11-25

AUTHORS

A. P. Balachandran, Amilcar R. de Queiroz

ABSTRACT

In a previous paper, we discussed simple examples like particle on a circle and molecules to argue that mixed states can arise from anomalous symmetries. This idea was applied to the breakdown (anomaly) of color SU(3) in the presence of non-abelian monopoles. Such mixed states create entropy as well.In this article, we extend these ideas to the topological geons of Friedman and Sorkin in quantum gravity. The “large diffeos” or mapping class groups can become anomalous in their quantum theory as we show. One way to eliminate these anomalies is to use mixed states, thereby creating entropy. These ideas may have something to do with black hole entropy as we speculate. More... »

PAGES

126

References to SciGraph publications

  • 1983-09. Positive mass theorems for black holes in COMMUNICATIONS IN MATHEMATICAL PHYSICS
  • 1976-02. On the topology of spacelike hypersurfaces, singularities, and black holes in GENERAL RELATIVITY AND GRAVITATION
  • 1981-09. A new proof of the positive energy theorem in COMMUNICATIONS IN MATHEMATICAL PHYSICS
  • 1985-06. Global gravitational anomalies in COMMUNICATIONS IN MATHEMATICAL PHYSICS
  • 2001-04. Vacuum Nodes and Anomalies in Quantum Theories in COMMUNICATIONS IN MATHEMATICAL PHYSICS
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/jhep11(2011)126

    DOI

    http://dx.doi.org/10.1007/jhep11(2011)126

    DIMENSIONS

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