Multi-spin string solutions in AdS(5) x S**5
Citation:
S. Frolov and A. A. Tseytlin, Multi-spin string solutions in AdS(5) x S**5, Nuclear Physics B, 668, 1-2, 2003, 77-110Download Item:
Abstract:
Motivated by attempts to extend AdS/CFT duality to non-BPS states we consider
classical closed string solutions with several angular momenta in different directions of
AdS5 and S5. We find a novel solution describing a circular closed string located at a
fixed value of AdS5 radius while rotating simultaneously in two planes in AdS5 with equal
spins S. This solution is a direct generalization of a two-spin flat-space solution where
the string rotates in two orthogonal planes while always lying on a 3-sphere. Similar
solution exists for a string rotating in S5: it is parametrized by the angular momentum
J of the center of mass and two equal SO(6) angular momenta J2 = J3 = J? in the two
rotation planes. The remarkably simple case is of J = 0 where the energy depends on J? as
E = p(2J?)2 + ? (? is the string tension or `t Hooft coupling). We discuss interpolation
of the E(J?) formula to weak coupling by identifying the gauge theory operator that should
be dual to the corresponding semiclassical string state and utilizing existing results for its
perturbative anomalous dimension. This opens up a possibility of studying AdS/CFT
duality in this new non-BPS sector. We also investigate small fluctuations and stability of
these classical solutions and comment on several generalizations.
Author's Homepage:
http://people.tcd.ie/frolovsDescription:
PUBLISHED
Author: FROLOV, SERGEY
Publisher:
ElsevierType of material:
Journal ArticleSeries/Report no:
Nuclear Physics B;668;
1-2;
Availability:
Full text availableKeywords:
Mathematics, string theoryMetadata
Show full item recordLicences: