9 papers · 1 filter
Hidden Frustration in Collinear Altermagnets: Pairing Vortices and Equilibrium Spin Current Loops
Vincent P. Flynn, Benedetta Flebus
We show that a magnet can remain perfectly collinear while its quantum vacuum circulates. In a centrosymmetric altermagnet, a symmetry-allowed locally staggered Dzyaloshinskii-Mori…
Asymmetric Floquet-Engineered Mode Coupling in Hybrid Magnonics
Amin Pishehvar, Jayakrishnan M. P. Nair, Zixin Yan +3
In hybrid magnonic systems, linear magnon--photon hybridization inherently produces symmetric, reciprocal interactions, precluding asymmetric mode coupling. Floquet driving can tai…
Experimental Realization of Synthetic Magnonic Lattice via Floquet Engineering
Amin Pishehvar, Jayakrishnan M. P. Nair, Zhaoyou Wang +5
Magnonic systems, which exploit spin-wave excitations in magnetic materials, offer a promising platform for coherent information processing due to their low dissipation, strong non…
Dynamical metastability and transient topological magnons in interacting driven-dissipative magnetic systems
Vincent P. Flynn, Lorenza Viola, Benedetta Flebus
Metastability, i.e., partial relaxation to long-lived, quasi-stationary states before true asymptotic equilibrium sets in, emerges ubiquitously in classical and quantum dynamical s…
Chemical potential of magnon polarons
Violet Williams, Benedetta Flebus
Using a rotationally invariant formulation of spin-lattice coupling, we derive a rigorous definition of the chemical potential for magnon-polaron quasiparticles in collinear ferrom…
Coupling Magnons to an Opto-Electronic Parametric Oscillator
Junming Wu, Shihao Zhou, Benedetta Flebus +1
Hybrid magnonic systems have emerged as versatile modular components for quantum signal transduction and sensing applications owing to their capability of connecting distinct quant…