Type IIB construction of flavoured ABJ(M) and fractional M2 branes

Details Type IIB construction of flavoured ABJ(M) and fractional M2 branes Type IIB construction of flavoured ABJ(M) and fractional M2 branes

2010-07-26

arxiv.org/abs/1007.4562v3

JHEP 1101:076,2011

Physics

High Energy Physics

High Energy Physics - Theory

38 pages, 17 figures; v2: references added; v3: abstract slightly modified, discussion expanded with more emphasis on smooth S

Scientific paper

10.1007/JHEP01(2011)076

We study type IIB brane configurations engineering 3d flavoured ABJ(M) theories with Yang-Mills kinetic terms, which flow to IR fixed points describing M2 branes at a class of toric Calabi-Yau fourfold singularities. The type IIB construction provides a bridge between M-theory geometry and field theory, and allows to identify the superconformal field theories with fixed quiver diagram, Chern-Simons levels and superpotential, differing by the ranks of the gauge groups, which we associate to dual AdS_4\timesY_7 backgrounds of M-theory without or with torsion G-fluxes sourced by fractional M2 branes in Y_7, when Y_7 is smooth. The analysis includes the Q^{1,1,1} and Y^{1,2}(CP^2) geometries. We also comment on duality cascades and on the interplay between torsion G-fluxes in M-theory and partial resolutions.

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