{ "id": "hep-th/0106269", "version": "v3", "published": "2001-06-28T13:46:03.000Z", "updated": "2001-08-31T10:27:03.000Z", "title": "Topological Z_{N+1} Charges on Fuzzy Sphere", "authors": [ "Chuan-Tsung Chan", "Chiang-Mei Chen", "Hyun Seok Yang" ], "comment": "22 pages, LaTeX. v3: Minor revision for clarification. Reference added", "categories": [ "hep-th" ], "abstract": "We study the topological properties of fuzzy sphere. We show that the topological charge is only defined modulo N+1, that is finite integer quotient Z_{N+1}, where N is a cut-off spin of fuzzy sphere. This periodic structure on topological charges is shown based on the boson realizations of SU(2) algebra, Schwinger vs. Holstein-Primakoff. We argue that this result can have a natural K-theory interpretation and the topological charges on fuzzy sphere can be classified by the twisted K-theory. We also outline how solitons on fuzzy sphere can realize D-brane solitons in the presence of Neveu-Schwarz fivebranes proposed by Harvey and Moore.", "revisions": [ { "version": "v3", "updated": "2001-08-31T10:27:03.000Z" } ], "analyses": { "keywords": [ "fuzzy sphere", "topological charge", "finite integer quotient", "natural k-theory interpretation", "cut-off spin" ], "note": { "typesetting": "LaTeX", "pages": 22, "language": "en", "license": "arXiv", "status": "editable", "inspire": 559307, "adsabs": "2001hep.th....6269C" } } }