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Title: (2+1)-dimensional Chern-Simons gravity as a Dirac square root

Journal Article · · Physical Review, D (Particles Fields); (United States)
 [1]
  1. Department of Physics, University of California, Davis, California 95616 (United States)

For simple enough spatial topologies, at least four approaches to (2+1)-dimensional quantum gravity have been proposed: Wheeler-DeWitt quantization, canonical quantization in Arnowitt-Deser-Misner (ADM) variables on reduced phase space, Chern-Simons quantization, and quantization in terms of Ashtekar-Rovelli-Smolin loop variables. An important problem is to understand the relationships among these approaches. By explicitly constructing the transformation between the Chern-Simons and ADM Hilbert spaces, we show here that Chern-Simons quantization naturally gives rise to spinorial wave functions on superspace, whose time evolution is governed by a Dirac equation. Chern-Simons quantum gravity can therefore be interpreted as the Dirac square root of the Wheeler-DeWitt equation.

OSTI ID:
7235574
Journal Information:
Physical Review, D (Particles Fields); (United States), Vol. 45:10; ISSN 0556-2821
Country of Publication:
United States
Language:
English