Space-Time Local Symmetry of String Field Theory
Phys. Rev. Lett. 55, 1828 – Published 28 October, 1985
DOI: https://doi.org/10.1103/PhysRevLett.55.1828
Abstract
It is shown that the interacting field theory of bosonic closed strings in the light-cone formulation is invariant under a class of complex space-time coordinate transformations.