Topological stability of broken symmetry on fuzzy spheres

Details Topological stability of broken symmetry on fuzzy spheres Topological stability of broken symmetry on fuzzy spheres

2011-08-16

arxiv.org/abs/1108.3320v2

Mod. Phys. Lett. A, Vol. 27, No. 14 (2012) 1250082

Physics

High Energy Physics

High Energy Physics - Theory

Version to appear in MPLA, 9 pages, 6 figures

Scientific paper

10.1142/S0217732312500824

We study the spontaneous symmetry breaking of O(3) scalar field on a fuzzy sphere $S_F^2$. We find that the fluctuations in the background of topological configurations are finite. This is in contrast to the fluctuations around a uniform configuration which diverge, due to Mermin-Wagner-Hohenberg-Coleman theorem, leading to the decay of the condensate. Interesting implications of enhanced topological stability of the configurations are pointed out.

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