Comments on D-branes on Orbifolds and K-theory

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dc.creatorKriz, Igor
dc.creatorZayas, Leopoldo A. Pando
dc.creatorQuiroz, Norma
dc.date2007-03-13
dc.date.accessioned2026-07-07T11:44:07Z
dc.date.available2026-07-07T11:44:07Z
dc.descriptionWe systematically revisit the description of $D$-branes on orbifolds and the classification of their charges via K-theory. We include enough details to make the results accessible to both physicists and mathematicians interested in these topics. The minimally charged branes predicted by K-theory in Z_N orbifolds with $N$ odd are only BPS. We confirm this result using the boundary state formalism for Z_3. For Z_N x Z_N orbifolds with and without discrete torsion, we show that the K-theory classification of charges agrees with the boundary state approach, largely developed by Gaberdiel and collaborators, including the types of representation on the Chan-Paton factors.
dc.description47 pages
dc.identifierhttps://arxiv.org/abs/hep-th/0703122
dc.identifierhttp://arxiv.org/abs/hep-th/0703122
dc.identifierInt.J.Mod.Phys.A23:933-974,2008
dc.identifierdoi:10.1142/S0217751X08039906
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201489
dc.subjectHigh Energy Physics - Theory
dc.titleComments on D-branes on Orbifolds and K-theory
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