Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-07-06
JHEP 0309:046,2003
Physics
High Energy Physics
High Energy Physics - Theory
1+16 pages, no figure; expanded version, references added; Convention for Clifford algebra improved
Scientific paper
10.1088/1126-6708/2003/09/046
We study the noncommutative superspace of arbitrary dimensions in a systematic way. Superfield theories on a noncommutative superspace can be formulated in two folds, through the star product formalism and in terms of the supermatrices. We elaborate the duality between them by constructing the isomorphism explicitly and relating the superspace integrations of the star product Lagrangian or the superpotential to the traces of the supermatrices. We show there exists an interesting fine tuned commutative limit where the duality can be still maintained. Namely on the commutative superspace too, there exists a supermatrix model description for the superfield theory. We interpret the result in the context of the wave particle duality. The dual particles for the superfields in even and odd spacetime dimensions are D-instantons and D0-branes respectively to be consistent with the T-duality.
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