On orientifolds, discrete torsion, branes and M theory | Zendy

Amihay Hanany | Zendy; Barak Kol | Zendy

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On orientifolds, discrete torsion, branes and M theory

Author(s) -

Amihay Hanany,

Barak Kol

Publication year - 2000

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 - 10.1088/1126-6708/2000/06/013

Subject(s) - orientifold , orbifold , torsion (gastropod) , brane , duality (order theory) , theoretical physics , brane cosmology , pure mathematics , physics , mathematics , medicine , surgery

We find some lifts to M theory of orientifold and orbifold planes includingthe O1, O3 and O5 planes of Type IIB and their transformations under SL(2,Z).The possible discrete torsion variants (or K theory classes) are explored, andare interpreted as arising from brane intersections with planes. We find newvariants of the O0 and of an orbifold line (OF1) and determine their tensionsin some cases. A systematic review of orientifolds, M orientifolds, and known Mlifts, with some new clarifications is included together with a discussion ofthe role of T duality.Comment: 29 pages, 3 figures, version published in JHE

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