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Schwinger-Dyson Equation in Three-Dimensional Simplicial Quantum Gravity
Author(s) -
Hirosi Ooguri
Publication year - 1993
Publication title -
progress of theoretical physics
Language(s) - English
Resource type - Journals
eISSN - 1347-4081
pISSN - 0033-068X
DOI - 10.1143/ptp.89.1
Subject(s) - physics , degenerate energy levels , boundary (topology) , quantum gravity , simplicial manifold , surface (topology) , factorization , invariant (physics) , spin foam , operator (biology) , mathematical physics , amplitude , gravitation , quantum , pure mathematics , quantum mechanics , mathematical analysis , mathematics , loop quantum gravity , geometry , simplicial set , algorithm , homotopy , repressor , chemistry , homotopy category , biochemistry , transcription factor , gene
We study the simplicial quantum gravity in three dimensions. Motivated by theBoulatov's model which generates a sum over simplicial complexes weighted withthe Turaev-Viro invariant, we introduce boundary operators in the simplicialgravity associated to compact orientable surfaces. An amplitude of the boundaryoperator is given by a sum over triangulations in the interior of the boundarysurface. It turns out that the amplitude solves the Schwinger-Dyson equationeven if we restrict the topology in the interior of the surface, as far as thesurface is non-degenerate. We propose a set of factorization conditions on theamplitudes which singles out a solution associated to triangulations of $S^3$.Comment: 32 pages, harvmac, HUTP-92/A05

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