We unveil novel spin-orbit torque mechanisms driven by topological edge states in magnetic graphene-based devices. Within the energy gap, a damping-like torque plateau emerges within the quantum anomalous Hall phase upon breaking particle-hole symmetry, while for energies at the spin-split Dirac points located within the bands, a large damping-like torque develops as a result of a vanishing Fermi contour. Such torques are tunable by the degree of spin-pseudospin entanglement dictated by proximity-induced spin-orbit coupling terms.
@article{arxiv.2408.16359,
title = {Topologically Driven Spin-Orbit Torque in Dirac Matter},
author = {Joaquín Medina Dueñas and José H. García and Stephan Roche},
journal= {arXiv preprint arXiv:2408.16359},
year = {2025}
}