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Prog. Theor. Phys. Supplement No.188 (2011) pp. 116-125

T-Duality versus Gauge Symmetry

Olaf Hohm^*

Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA

Abstract:

We review the recently constructed `double field theory' which introduces in addition to the conventional coordinates associated to momentum modes coordinates associated to winding modes. Thereby, T-duality becomes a global symmetry of the theory, which can be viewed as an `O(D,D) covariantization' of the low-energy effective space-time action of closed string theory. We discuss its symmetries with a special emphasis on the relation between global duality symmetries and local gauge symmetries.

URL : http://ptp.ipap.jp/link?PTPS/188/116/
DOI : 10.1143/PTPS.188.116

^*E-mail: ohohm@mit.edu

[ Full Text PDF : OPEN SELECT (127K) ] Citation: Plain Text BiBTeX EndNote(RIS) RSS

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