Permutation orientifolds of Gepner models | Zendy

Kazuo Hosomichi | Zendy

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Permutation orientifolds of Gepner models

Author(s) -

Kazuo Hosomichi

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/01/081

Subject(s) - invariant (physics) , permutation (music) , homogeneous space , parity (physics) , pure mathematics , supersymmetry , affine transformation , mathematics , theoretical physics , physics , geometry , particle physics , mathematical physics , acoustics

In tensor products of a left-right symmetric CFT, one can define permutationorientifolds by combining orientation reversal with involutive permutationsymmetries. We construct the corresponding crosscap states in general rationalCFTs and their orbifolds, and study in detail those in products of affineU(1)_2 models or N=2 minimal models. The results are used to constructpermutation orientifolds of Gepner models. We list the permutation orientifoldsin a few simple Gepner models, and study some of their physical properties -supersymmetry, tension and RR charges. We also study the action ofcorresponding parity on D-branes, and determine the gauge group on a stack ofparity-invariant D-branes. Tadpole cancellation condition and some of itssolutions are also presented.Comment: 2+67 pages, no figures. v3: references added, version to appear in JHE

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