String bit models of two-dimensional quantum gravity coupled with matter

Details String bit models of two-dimensional quantum gravity coupled with matter String bit models of two-dimensional quantum gravity coupled with matter

2003-07-23

arxiv.org/abs/hep-th/0307231v2

Nucl.Phys. B675 (2003) 139-158

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, LaTeX2e; typos corrected, references added

Scientific paper

We extend the formalism of Hamiltonian string bit models of quantum gravity type in two spacetime dimensions to include couplings to particles. We find that the single-particle closed and open universe models respectively behave like empty open and closed universes, and that a system of two distinguishable particles in a closed universe behaves like an empty closed universe. We then construct a metamodel that contains all such models, and find that its transition amplitude is exactly the same as the sl(2) gravity model.

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