20 citations · 59 across the 7 of their papers we have counts for
6 papers · 1 filter
Non-linear dynamics near exceptional points of synthetic antiferromagnetic spin-torque oscillators
R. A. Duine, V. Errani, J. S. Harms
We consider a synthetic antiferromagnetic spin-torque oscillator with anisotropic interlayer exchange coupling. This system exhibits exceptional points in its linearized dynamics.…
Zero-frequency chiral magnonic edge states protected by non-equilibrium topology
Pieter M. Gunnink, Joren S. Harms, Rembert A. Duine +1
Topological bosonic excitations must, in contrast to their fermionic counterparts, appear at finite energies. This is a key challenge for magnons, as it prevents straightforward ex…
Antimagnonics
J. S. Harms, H. Y. Yuan, Rembert A. Duine
Magnons are the quanta of collective spin excitations in magnetically-ordered systems and manipulation of magnons for computing and information processing has witnessed the develop…
Theory of the dipole-exchange spin wave spectrum in ferromagnetic films with in-plane magnetization revisited
J. S. Harms, R. A. Duine
We present a refinement of the widely accepted spin-wave spectrum that Kalinikos and Slavin computed for magnetic films with an in-plane magnetization (1986). The spin wave spectru…
Enhanced magnon spin current using the bosonic Klein paradox
J. S. Harms, H. Y. Yuan, R. A. Duine
Efficient manipulation of magnons for information processing is a central topic in spintronics and magnonics. An outstanding challenge for long-distance spin transport with minimal…
Dynamically stable negative-energy states induced by spin-transfer torques
J. S. Harms, A. Rückriegel, R. A. Duine
We investigate instabilities of the magnetic ground state in ferromagnetic metals that are induced by uniform electrical currents, and, in particular, go beyond previous analyses b…