Abstract
We construct vortex loop operators in the three-dimensional
= 6 supersymmetric Chern-Simons theory recently constructed by
Aharony, Bergman, Jafferis and Maldacena. These disorder loop
operators are specified by a vortex-like singularity for the scalar
and gauge fields along a one dimensional curve in spacetime. We
identify the 1/2, 1/3 and 1/6 BPS loop operators in the
Chern-Simons theory with excitations of M-theory corresponding to
M2-branes ending along a curve on the boundary of AdS4 × S7/
k. The vortex loop operators can also be given a purely
geometric description in terms of regular ``bubbling'' solutions of
eleven dimensional supergravity which are asymptoticallyAdS4 × S7/k.
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