Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-06-25
Nucl.Phys.B826:294-312,2010
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX, 18 pages. v2: comments and references added, misprints corrected; v3: corrected misprints in Eqs.(67), (85), (98); v4:
Scientific paper
10.1016/j.nuclphysb.2009.10.006
The Type IIA superstring action on the AdS_4 x CP^3 background, obtainable by the double dimensional reduction of the AdS_4 x S^7 supermembrane, is considered in the kappa-symmetry light-cone gauge, in which the light-like directions are chosen on the D=3 Minkowski boundary of AdS_4. Such choice of the gauge condition relies on representing the AdS_4 x S^7 background isometry superalgebra osp(4|8) (and correspondingly the osp(4|6) isometry superalgebra of the AdS_4 x CP^3 background) as D=3 extended superconformal algebra. The gauge-fixed action includes contributions up to the 4th power in the fermions.
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