Ginsparg-Wilson Relation and 't Hooft-Polyakov Monopole on Fuzzy 2-Sphere

Details Ginsparg-Wilson Relation and 't Hooft-Polyakov Monopole on Fuzzy 2-Sphere Ginsparg-Wilson Relation and 't Hooft-Polyakov Monopole on Fuzzy 2-Sphere

2003-12-17

arxiv.org/abs/hep-th/0312199v2

Nucl.Phys. B684 (2004) 162-182

Physics

High Energy Physics

High Energy Physics - Theory

Latex 32 pages, references added, typo corrected, the final version to appear in Nucl.Phys.B

Scientific paper

10.1016/j.nuclphysb.2004.02.008

We investigate several properties of Ginsparg-Wilson fermion on fuzzy 2-sphere. We first examine chiral anomaly up to the second order of the gauge field and show that it is indeed reduced to the correct form of the Chern character in the commutative limit. Next we study topologically non-trivial gauge configurations and their topological charges. We investigate 't Hooft-Polyakov monopole type configuration on fuzzy 2-sphere and show that it has the correct commutative limit. We also consider more general configurations in our formulation.

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