Strain-induced pseudomagnetic and scalar fields in symmetry-enforced Dirac nodes

Highlights: • Strain-induced potentials are found for all possible symmetry-enforced Dirac nodes. • For space groups $P{4}_{1}32$ and $P{4}_{3}32$, the pseudomagnetic field is not allowed. • The pseudomagnetic field can manifest itself through valley current control. It is known that Dirac nodes can be present at high-symmetry points of Brillouin zone only for certain space groups. For these cases, the effect of strain is treated by symmetry considerations. The dependence of strain-induced potentials on the strain tensor is found. In all but two cases, the pseudomagnetic field potential is present. It can be used to control valley currents.