2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51739Curvature-squared corrections for D-brane actions in type II string theory were derived by Bachas, Bain and Green. Here we write down a generalisation of these corrections to all orders in $F$, the field strength of the U(1) gauge field on the brane. Some of these terms are needed to restore consistency with T-duality.8 pages, 1 figure, harvmacHigh Energy Physics - Theorytext