Date:  2023-10-26

Article ID:  27882

The Dirac equation is an equation of motion for a free spinor field. Article 21794 shows that the Dirac equation has symmetries corresponding to every spacetime isometry in the identity component of the Lorentz group. This article constructs two-spinor products that are invariant under those symmetry transformations, generalized to an arbitrary number of dimensions of spacetime and arbitrary signature. Some other properties of these two-spinor products are also explored.