Abstract

We show how the T-duality between D-branes is realized (i) on p-brane solutions ( p = 0,…,9) of IIA IIB supergravity and (ii) on the D-brane actions ( p = 0,…, 3) that act as source terms for the p-brane solutions. We point out that the presence of a cosmological constant in the IIA theory leads, by the requirement of gauge invariance, to a topological mass term for the worldvolume gauge field in the 2-brane case.

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