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String dualities and the Geroch group
We examine the properties and symmetries of the lowest order effective theory of 4-dim string backgrounds with axion and dilaton fields and zero cosmological constant. The dimensional reduction yields an O(2,2) current group of transformations in the presence of two commuting Killing symmetries. Spe...
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| Lenguaje: | eng |
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1994
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| Acceso en línea: | http://cds.cern.ch/record/272090 |