Hidden symmetry in the presence of fluxes

Understand

We derive the most general first order symmetry operator for the Dirac equation coupled to arbitrary fluxes.

• Such an operator is given in terms of an inhomogenous form omega which is a solution to a coupled system of first order partial differential equations which we call the generalized conformal Killing-Yano system.
• Except trivial fluxes, solutions of this system are subject to additional constraints.
• We discuss various special cases of physical interest.