  The electron, discovered by Thomson by the end of the nineteenth century, was
the first experimentally observed particle. The Weyl fermion, though
theoretically predicted since a long time, was observed in a condensed matter
environment in an experiment reported only a few weeks ago. Is there any
linking thread connecting the first and the last observed fermion
(quasi)particles? The answer is positive. By generalizing the method known as
bosonization, the first time in its full complete form, for a spacetime with
3+1 dimensions, we are able to show that both electrons and Weyl fermions can
be expressed in terms of the same boson field, namely the Kalb-Ramond
anti-symmetric tensor gauge field. The bosonized form of the Weyl chiral
currents lead to the angle-dependent magneto-conductance behavior observed in
these systems.
