Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-05-17
JHEP0610:007,2006
Physics
High Energy Physics
High Energy Physics - Theory
68 pages, 12 figures, v2,v3:typos corrected and comments added. To appear in JHEP
Scientific paper
10.1088/1126-6708/2006/10/007
We study N=4 SYM on R x S^3 and theories with 16 supercharges arising as its consistent truncations. These theories include the plane wave matrix model, N=4 SYM on R x S^2 and N=4 SYM on R x S^3/Z_k, and their gravity duals were studied by Lin and Maldacena. We make a harmonic expansion of the original N=4 SYM on R x S^3 and obtain each of the truncated theories by keeping a part of the Kaluza-Klein modes. This enables us to analyze all the theories in a unified way. We explicitly construct some nontrivial vacua of N=4 SYM on R x S^2. We perform 1-loop analysis of the original and truncated theories. In particular, we examine states regarded as the integrable SO(6) spin chain and a time-dependent BPS solution, which is considered to correspond to the AdS giant graviton in the original theory.
Ishiki Goro
Takayama Yastoshi
Tsuchiya Asato
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