On the Deformation of $Λ$-Symmetry in B-field Background

M. M. Sheikh-Jabbari

Published 1999-10-31, updated 1999-11-08Version 2

In this note we will show that the $\Lambda$ symmetry, namely the U(1) symmetry of the open string sigma model which relates the B-field and the U(1) gauge field of a brane to each other, is deformed to a noncommutative version in a constant B-field background.