Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2012-04-05
Physics
High Energy Physics
High Energy Physics - Theory
28 pages, 4 figures
Scientific paper
We study the matrix model for N M2-branes wrapping a Lens space L(p,1) = S^3/Z_p. This arises from localization of the partition function of the ABJM theory, and has some novel features compared with the case of a three-sphere, including a sum over flat connections and a potential that depends non-trivially on p. We study the matrix model both numerically and analytically in the large N limit, finding that a certain family of p flat connections give an equal dominant contribution. At large N we find the same eigenvalue distribution for all p, and show that the free energy is simply 1/p times the free energy on a three-sphere, in agreement with gravity dual expectations.
Alday Luis F.
Fluder Martin
Sparks James
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