Affine su(2) fusion rules from gerbe 2-isomorphisms
نویسندگان
چکیده
منابع مشابه
Affine su(2) fusion rules from gerbe 2-isomorphisms
We give a geometric description of the fusion rules of the affine Lie algebra ŝu(2)k at a positive integer level k in terms of the k-th power of the basic gerbe over the Lie group SU(2). The gerbe can be trivialised over conjugacy classes corresponding to dominant weights of ŝu(2)k via a 1-isomorphism. The fusion-rule coefficients are related to the existence of a 2-isomorphism between pullback...
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ژورنال
عنوان ژورنال: Journal of Geometry and Physics
سال: 2011
ISSN: 0393-0440
DOI: 10.1016/j.geomphys.2011.03.008