Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-06-24
JHEP0501:007,2005
Physics
High Energy Physics
High Energy Physics - Theory
revised version: references added, derivation of "central extensions" improved upon. To appear in JHEP
Scientific paper
10.1088/1126-6708/2005/01/007
We wish to consider in this report the large N limit of a particular matrix model introduced by Myers describing D-brane physics in the presence of an RR flux background. At finite N, fuzzy spheres appear naturally as non-trivial solutions to this matrix model and have been extensively studied. In this report, we wish to demonstrate several new classes of solutions which appear in the large N limit, corresponding to the fuzzy cylinder,the fuzzy plane and a warped fuzzy plane. The latter two solutions arise from a possible "central extension" to our model that arises after we account for non-trivial issues involved in the large N limit. As is the case for finite N, these new solutions are to be interpreted as constituent D0-branes forming D2 bound states describing new fuzzy geometries.
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