N=4 central charge superspace at work for supergravity coupled to an arbitrary number of abelian vector multiplets

Details N=4 central charge superspace at work for supergravity coupled to an arbitrary number of abelian vector multiplets N=4 central charge superspace at work for supergravity coupled to an arbitrary number of abelian vector multiplets

2004-04-02

arxiv.org/abs/hep-th/0404019v1

Class.Quant.Grav. 22 (2005) 467-480

Physics

High Energy Physics

High Energy Physics - Theory

18 pages

Scientific paper

10.1088/0264-9381/22/3/001

We present the description in central charge superspace of N=4 supergravity with antisymmetric tensor coupled to an arbitrary number of abelian vector multiplets. All the gauge vectors of the coupled system are treated on the same footing as gauge fields corresponding to translations along additional bosonic coordinates. It is the geometry of the antisymmetric tensor which singles out which combinations of these vectors belong to the supergravity multiplet and which are the additional coupled ones. Moreover, basic properties of Chapline-Manton coupling mechanism, as well as the SO(6,n)/SO(6)*SO(n) sigma model of the Yang-Mills scalars are found as arising from superspace geometry.

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