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Various topological phases have been predicted in magnonic systems, but to date none has been directly observed. This can in large part be attributed to the high frequency of the topological edge states. My primary interest is to develop alternative ways to probe magnon topology, such as in non-equilibrium and through non-Hermitian control.

The spin-transfer torque is a versatile element in spintronics, converting an electrical current into a torque on a magnetic system. Understanding the spin-transfer torque requires the understanding of the complex non-equilibrium state that is created when the magnet is driven intro preccesion, giving rise to surprising effects.

Dipole-dipole interactions are ubiqitious in magnonic systems. Because of its long-range character, the dipole-dipole can give rise to unique symmetry-breaking effects, such as transverse spin currents and the magnon Hall effect.