Massive Mixed Symmetry Field Dynamics in Open Bosonic String Theory

详细

One of the ways to describe string interaction with background fields is the sigma-model approach. Since free string theory is Weyl-invariant, it is demanded that the interacting string theory be Weyl-invariant as well. This leads to some equations on the background fields. As a result, such an approach allows in principle to derive the higher-spin equations of motion from string theory and therefore provides a bridge between string theory and field theory. In the present paper, we derive the equation of motion in the linear approximation for the simplest field with mixed symmetry of the indices.