Twisted Einstein Tensors and Orbifold Geometry

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dc.creatordeBoer, J.
dc.creatorHalpern, M. B.
dc.creatorHelfgott, C.
dc.date2002-12-21
dc.date2003-11-05
dc.date.accessioned2026-07-07T10:34:16Z
dc.date.available2026-07-07T10:34:16Z
dc.descriptionFollowing recent advances in the local theory of current-algebraic orbifolds, we study various geometric properties of the general WZW orbifold, the general coset orbifold and a large class of (non-linear) sigma model orbifolds. Phase-space geometry is emphasized for the WZW orbifolds - while for the sigma model orbifolds we construct the corresponding {\it sigma model orbifold action}, which includes the previously-known general WZW orbifold action and general coset orbifold action as special cases. We focus throughout on the {\it twisted Einstein tensors} with diagonal monodromy, including the twisted Einstein metric, the twisted B field and the twisted torsion field of each orbifold sector. Finally, we present strong evidence for a conjectured set of {\it twisted Einstein equations} which should describe those sigma model orbifolds in this class which are also 1-loop conformal.
dc.description67 pages, typos corrected
dc.identifierhttps://arxiv.org/abs/hep-th/0212275
dc.identifierhttp://arxiv.org/abs/hep-th/0212275
dc.identifierInt.J.Mod.Phys.A18:3489-3553,2003
dc.identifierdoi:10.1142/S0217751X03015271
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179417
dc.subjectHigh Energy Physics - Theory
dc.titleTwisted Einstein Tensors and Orbifold Geometry
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