Abstract
A concise geometrical formulation of N = 4 supergravity containing anantisymmetric tensor gauge field is given in central charge superspace:graviphotons are identified in the super-vielbein on the same footing asthe vierbein and the Rarita-Schwinger fields. As a consequence ofsuperspace soldering, Chern-Simons terms in the field strength of theantisymmetric tensor arise as an intrinsic property of superspace withcentral charge coordinates.
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