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For N=1 SUSY, the SUSY algebra is closed as long as Bianchi identity [itex]\epsilon^{\mu\nu\rho\sigma}D_\nu F^a_{\rho\sigma}=0[/itex] is valid, that is [itex][\delta_{\epsilon_1},\delta_{\epsilon_2}] \propto P [/itex]. What if there is magnetic monopole when Bianchi identity doesn't hold?
When N=2, there is central charge. But for N=1, there is no central charge. SO how to solve this problem?
When N=2, there is central charge. But for N=1, there is no central charge. SO how to solve this problem?