Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2008-08-07
J.Phys.A42:125401,2009
Physics
High Energy Physics
High Energy Physics - Theory
7 pages, references added
Scientific paper
10.1088/1751-8113/42/12/125401
We compute the $\mathcal{N}=2$ SUSY algebra of the massive Grassmannian sigma model in 2+1 dimensions. We first rederive the action of the model by using the Scherk-Schwarz dimensional reduction from $\mathcal{N}=1$ theory in 3+1 dimensions. Then, we perform the canonical quantization by using the Dirac method. We find that a particular choice of the operator ordering yields the quantum SUSY algebra of the $Q$-lumps with cental extension.
Nakajima Hiroaki
Oh Phillial
Shin Sunyoung
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