Metric and coupling reversal in string theory

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Title: Metric and coupling reversal in string theory
Authors: Duff, MJ
Kalkkinen, J
Item Type: Journal Article
Abstract: Invariance under reversing the sign of the metric and/or the sign of the string coupling field , where , leads to four possible universes denoted 1, , , according as , , , , respectively. Universe 1 is described by conventional string/M theory and contains all M, D, F and NS branes. Universe contains only , D3 and D7. Universe contains only D1, D5, D9 and Type I. Universe contains only F1 and NS5 of IIB and heterotic SO(32).
Issue Date: 1-Jan-2007
Date of Acceptance: 16-Oct-2006
ISSN: 0550-3213
Publisher: Elsevier
Start Page: 64
End Page: 88
Journal / Book Title: Nuclear Physics B
Volume: 760
Issue: 1-2
Copyright Statement: © 2006 Published by Elsevier B.V.
Keywords: Science & Technology
Physical Sciences
Physics, Particles & Fields
0105 Mathematical Physics
0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics
0206 Quantum Physics
Nuclear & Particles Physics
Publication Status: Published
Online Publication Date: 2006-11-02
Appears in Collections:Physics
Faculty of Natural Sciences

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