Simulating the scalar field on the fuzzy sphere

Details Simulating the scalar field on the fuzzy sphere Simulating the scalar field on the fuzzy sphere

2006-01-09

arxiv.org/abs/hep-lat/0601012v1

PoS LAT2005 (2005) 262

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 4 figures, Proceedings for the XXIIIrd International Symposium on Lattice Field Theory

Scientific paper

The properties of the phi^4 scalar field theory on a fuzzy sphere are studied numerically. The fuzzy sphere is a discretization of the sphere through matrices in which the symmetries of the space are preserved. This model presents three different phases: uniform and disordered phases, as in the usual commutative scalar field theory, and a non-uniform ordered phase related to UV-IR mixing like non-commutative effects. We have determined the coexistence lines between phases, their triple point and their scaling.

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