The (2+1)-dimensional quantum gravity

Details The (2+1)-dimensional quantum gravity The (2+1)-dimensional quantum gravity

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989dqg..rept.....h&link_type=abstract

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Computer Science

Gravitation, Gravitational Fields, Quantum Mechanics, Universe, Wave Functions, Canonical Forms, Formalism, Space-Time Functions

Scientific paper

The (2+1)-dimensional pure Einstein gravity is studied in the canonical ADM formalism, assuming that the spatial surface is closed and compact. Owing to the constraints, the dynamical variables are reduced to the moduli parameters of the 2-surface. Upon quantization, the system becomes a quantum mechanics of moduli parameters in a curved space endowed with the Weil-Petersson metric. In the case of torus in particular, the superspace, on which the wave function of universe is defined, turns out to be the fundamental region is the moduli space. The solution of the Wheeler-DeWitt equation is explicitly given as the Maass form which is perfectly regular in the superspace.

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