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M-theory on manifolds of G2 holonomy and type IIA orientifolds

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Published 25 June 2001 • Published under licence by IOP Publishing Ltd
, , Citation Shamit Kachru and John McGreevy JHEP06(2001)027 DOI 10.1088/1126-6708/2001/06/027

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Author affiliations

1 Department of Physics and SLAC, Stanford University, Stanford, CA 94305/94309, USA

2 Institute for Theoretical Physics, University of California, Santa Barbara, CA 93106, USA

Dates

  1. Received 26 April 2001
  2. Accepted 12 June 2001
  3. Published

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1126-6708/2001/06/027

Abstract

We demonstrate that M-theory compactifications on 7-manifolds of G2 holonomy, which yield 4d Script N = 1 supersymmetric systems, often admit at special loci in their moduli space a description as type-IIA orientifolds. In this way, we are able to find new dualities of special IIA orientifolds, including dualities which relate orientifolds of IIA strings on manifolds of different topology with different numbers of wrapped D-branes. We also discuss models which incorporate, in a natural way, compact embeddings of gauge theory/gravity dualities similar to those studied in the recent work of Atiyah, Maldacena and Vafa.

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10.1088/1126-6708/2001/06/027