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Worldsheet spectrum in AdS(4)/CFT3 correspondence
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2009 (English)In: Journal of High Energy Physics (JHEP), ISSN 1029-8479, E-ISSN 1126-6708, no 4, 135- p.Article in journal (Refereed) Published
Abstract [en]

The AdS(4)/CFT3 duality is a new example of an integrable and exactly solvable AdS/CFT system. There is, however, a puzzling mismatch between the number of degrees of freedom used in the exact solution (4(B) + 4(F) scattering states) and 8(B) + 8(F) transverse oscillation modes of critical superstring theory. We off er a resolution of this puzzle by arguing that half of the string modes dissolve in the continuum of two-particle states once alpha' corrections are taken into account. We also check that the conjectured exact S-matrix of AdS(4)/CFT3 [1] agrees with the tree-level worldsheet calculation.

Place, publisher, year, edition, pages
2009. no 4, 135- p.
Keyword [en]
AdS-CFT Correspondence, Penrose limit and pp-wave background, Sigma Models
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-129036DOI: 10.1088/1126-6708/2009/04/135ISI: 000266428300135OAI: oai:DiVA.org:uu-129036DiVA: diva2:337487
Available from: 2010-08-06 Created: 2010-08-05 Last updated: 2010-08-06Bibliographically approved

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