On orientifolds, discrete torsion, branes and M-theory

Amihay Hanany*, Barak Kol

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

105 Scopus citations

Abstract

We find some lifts to M-theory of orientifold and orbifold planes including the 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, and are interpreted as arising from brane intersections with planes. We find new variants of the O0 and of an orbifold line (OF1) and determine their tensions in some cases. A systematic review of orientifolds, M orientifolds, and known M-lifts, with some new clarifications is included together with a discussion of the role of T-duality.

Original languageAmerican English
Pages (from-to)1-27
Number of pages27
JournalJournal of High Energy Physics
Volume4
Issue number6
DOIs
StatePublished - 2000
Externally publishedYes

Keywords

  • M-theory
  • p-branes

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