Orientifolds in N=2 Liouville Theory and its Mirror

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dc.creatorIsrael, Dan
dc.creatorNiarchos, Vasilis
dc.date2007-03-16
dc.date2007-11-15
dc.date.accessioned2026-07-07T11:59:45Z
dc.date.available2026-07-07T11:59:45Z
dc.descriptionWe consider unoriented strings in the supersymmetric SL(2,R)/U(1) coset, which describes the two-dimensional Euclidean black hole, and its mirror dual N=2 Liouville theory. We analyze the orientifolds of these theories from several complementary points of view: the parity symmetries of the worldsheet actions, descent from known AdS_3 parities, and the modular bootstrap method (in some cases we can also check our results against known constraints coming from the conformal bootstrap method). Our analysis extends previous work on orientifolds in Liouville theory, the AdS_3 and SU(2) WZW models and minimal models. Compared to these cases, we find that the orientifolds of the two dimensional Euclidean black hole exhibit new intriguing features. Our results are relevant for the study of orientifolds in the neighborhood of NS5-branes and for the engineering of four-dimensional chiral gauge theories and gauge theories with SO and Sp gauge groups with suitable configurations of D-branes and orientifolds. As an illustration, we discuss an example related to a configuration of D4-branes and O4-planes in the presence of two parallel fivebranes.
dc.description47 pages, 2 figures; v2 typos fixed, refs added, improved discussion of Hanany-Witten setups
dc.identifierhttps://arxiv.org/abs/hep-th/0703151
dc.identifierhttp://arxiv.org/abs/hep-th/0703151
dc.identifierJHEP0711:093,2007
dc.identifierdoi:10.1088/1126-6708/2007/11/093
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206673
dc.subjectHigh Energy Physics - Theory
dc.titleOrientifolds in N=2 Liouville Theory and its Mirror
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