Pseudo field effects in type II Weyl semimetals: new probes for over tilted cones

We propose a probe for type II Weyl semimetals which determines the direction of the tilt. Building on the different phenomenology of the chiral Landau and pseudo-Landau levels in Weyl semimetals, we show how in a simple two Weyl cone model, the optical conductivity can be utilized to differentiate between the type I and II semimetals and pinpoint the direction of the tilt, and the field itself. For a larger number of nodes, a combination of the two fields can hint on the arrangement of cones as well.