Starting from a type II superstring model defined on R2,2 × CY6 in a linear graviphoton background, we derive a coordinate dependent C-deformed N = 1, d ≤ 2+2 superspace. The chiral fermionic coordinates θ satisfy a Clifford algebra, while the other coordinate algebra remains unchanged. We find a linear relation between the graviphoton field strength and the deformation parameter. The null coordinate dependence of the graviphoton background allows to extend the results to all orders in α′.Facultad de Ciencias Exacta
