Worldsheet spectrum in AdS(4)/CFT(3) correspondence

Details Worldsheet spectrum in AdS(4)/CFT(3) correspondence Worldsheet spectrum in AdS(4)/CFT(3) correspondence

2009-03-10

arxiv.org/abs/0903.1747v4

JHEP 0904:135,2009

Physics

High Energy Physics

High Energy Physics - Theory

19 pages, 2 figures; v2: misprints in (2.3), (2.11) and (A.1) corrected, a reference added; v3: misprints in (B.6), (B.9) and

Scientific paper

10.1088/1126-6708/2009/04/135

The AdS(4)/CFT(3) 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 (4B+4F scattering states) and 8B+8F transverse oscillation modes of critical superstring theory. We offer 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)/CFT(3) agrees with the tree-level worldsheet calculation.

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