Gomis, Jaume and Kapustin, Anton (2004) Two-dimensional unoriented strings and matrix models. Journal of High Energy Physics, 2004 (6). Art. No.-002. ISSN 1126-6708. http://resolver.caltech.edu/CaltechAUTHORS:GOMjhep04
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We investigate unoriented strings and superstrings in two dimensions and their dual matrix quantum mechanics. Most of the models we study have a tachyon tadpole coming from the RP2 worldsheet which needs to be cancelled by a renormalization of the worldsheet theory. We find evidence that the dual matrix models describe the renormalized theory. The singlet sector of the matrix models is integrable and can be formulated in terms of fermions moving in an external potential and interacting via the Calogero-Moser potential. We show that in the double-scaling limit the latter system exhibits particle-hole duality and interpret it in terms of the dual string theory. We also show that oriented string theories in two dimensions can be continuously deformed into unoriented ones by turning on non-local interactions on the worldsheet. We find two unoriented superstring models for which only oriented worldsheets contribute to the S-matrix. A simple explanation for this is found in the dual matrix model.
|Additional Information:||© Institute of Physics and IOP Publishing Limited 2004. Received 27 May 2004, accepted for publication 1 June 2004. Published 6 July 2004. We would like to thank Juan Maldacena for useful discussions. J. G. was supported by the Sherman Fairchild Prize Fellowship. This research was supported in part by the DOE grant DE-FG03-92-ER40701.|
|Subject Keywords:||string duality, tachyon condensation, SUPER-LIOUVILLE THEORY, FRACTIONAL-STATISTICS, CRITICAL-BEHAVIOR, SCALE-INVARIANCE, DILATON TADPOLES, QUANTUM-GRAVITY, RANDOM SURFACES, FIELD-THEORY, D-BRANES, C=1|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||06 Sep 2005|
|Last Modified:||03 May 2016 21:35|
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