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hep-th2012★ 65 cited
Exact results for supersymmetric abelian vortex loops in 2+1 dimensions
Anton Kapustin, Brian Willett, Itamar Yaakov
We define a class of supersymmetric defect loop operators in N = 2 gauge theories in 2+1 dimensions. We give a prescription for computing the expectation value of such operators in…
hep-ph2012★ 30 cited
Remarks on nonrelativistic Goldstone bosons
Anton Kapustin
We discuss excitations in nonrelativistic field theories with spontaneous breaking of a continuous global symmetry. It is known that in such systems there are two types of Goldston…