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On section conditions of E7(7) exceptional field theory and superparticle in N=8 central charge superspace (1512.02287v2)
Published 7 Dec 2015 in hep-th, gr-qc, math-ph, and math.MP
Abstract: We study the properties of section conditions of the E7(7) exceptional field theory from the perspective of superparticle model in N=8 D=4 superspace enlarged by additional bosonic coordinates related to the central charge of the maximal supersymmetry superalgebra. In particular, the superparticle model suggests that only a part of the section conditions corresponding to generators of SU(8) subgroup of E7(7) is independent, and we show that this part indeed suffices to obtain the (classical counterpart of the) general solution of the strong section condition.
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