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Lectures on nongeometric flux compactifications

Brian Wecht 2007 Class. Quantum Grav. 24 S773-S794   doi: 10.1088/0264-9381/24/21/S03  Help

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Brian Wecht
Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
E-mail: bwecht@mit.edu

Abstract. These notes present a pedagogical review of nongeometric flux compactifications. We begin by reviewing well-known geometric flux compactifications in Type II string theory, and argue that one must include nongeometric 'fluxes' in order to have a superpotential which is invariant under T-duality. Additionally, we discuss some elementary aspects of the worldsheet description of nongeometric backgrounds. This review is based on lectures given at the 2007 RTN Winter School at CERN.

PACS numbers: 11.25.Mj, 11.25.Wx

Print publication: Issue 21 (7 November 2007)
Received 30 June 2007
Published 15 October 2007

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