Topological gravity on plumbed V-cobordisms

Details Topological gravity on plumbed V-cobordisms Topological gravity on plumbed V-cobordisms

2005-02-11

arxiv.org/abs/gr-qc/0502050v2

Class.Quant.Grav. 22 (2005) 3725-3744

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

29 pages

Scientific paper

10.1088/0264-9381/22/17/022

An ensemble of cosmological models based on generalized BF-theory is constructed where the role of vacuum (zero-level) coupling constants is played by topologically invariant rational intersection forms (cosmological-constant matrices) of 4-dimensional plumbed V-cobordisms which are interpreted as Euclidean spacetime regions. For these regions describing topology changes, the rational and integer intersection matrices are calculated. A relation is found between the hierarchy of certain elements of these matrices and the hierarchy of coupling constants of the universal (low-energy) interactions. PACS numbers: 0420G, 0240, 0460

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