Maldacena, Juan and Ooguri, Hirosi (2001) Strings in AdS3 and the SL(2,R) WZW model. I: The spectrum. Journal of Mathematical Physics, 42 (7). pp. 29292960. ISSN 00222488. https://resolver.caltech.edu/CaltechAUTHORS:MALjmp01a

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Abstract
In this paper we study the spectrum of bosonic string theory on AdS3. We study classical solutions of the SL(2,R) WZW model, including solutions for long strings with nonzero winding number. We show that the model has a symmetry relating string configurations with different winding numbers. We then study the Hilbert space of the WZW model, including all states related by the above symmetry. This leads to a precise description of long strings. We prove a noghost theorem for all the representations that are involved and discuss the scattering of the long string.
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Additional Information:  © 2001 American Institute of Physics. (Received 2 January 2001; accepted 13 February 2001) We would like to thank A. Zamolodchikov for discussions and for giving us a copy of his unpublished notes. We also thank N. Seiberg, C. Vafa, and E. Witten for discussions. We would like to thank S. Hwang for useful comments on the earlier version of this paper. H.O. would like to thank J. Schwarz and the theory group at Caltech for the kind hospitality while the bulk of this work was carried out. H.O. also thanks the hospitality of the theory group at Harvard University, where this work was initiated, ICTP, Trieste, and ITP, Santa Barbara, where parts of this work were done. The research of J.M. was supported in part by DOE Grant No. DEFGO291ER40654, NSF Grant No. PHY9513835, the Sloan Foundation, and the David and Lucile Packard Foundations. The research of H.O. was supported in part by NSF Grant No. PHY9514797, DOE Grant No. DEAC0376SF00098, and the Caltech Discovery Fund.  
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Subject Keywords:  string theory; Lie groups; nonlinear field theory; Hilbert spaces  
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Issue or Number:  7  
Record Number:  CaltechAUTHORS:MALjmp01a  
Persistent URL:  https://resolver.caltech.edu/CaltechAUTHORS:MALjmp01a  
Alternative URL:  http://dx.doi.org/10.1063/1.1377273  
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ID Code:  3203  
Collection:  CaltechAUTHORS  
Deposited By:  Archive Administrator  
Deposited On:  19 May 2006  
Last Modified:  02 Oct 2019 23:00 
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