1 citations · 1 across the 13 of their papers we have counts for
16 papers
Hidden Angular Momentum Loop Currents in Symmetric Crystals
Rule Yi, Vincent P. Flynn, Benedetta Flebus
Loop-current order has been invoked to explain unconventional electronic phases, with the crystal lattice usually regarded as a passive host for the underlying collective dynamics.…
Altermagnetism produces pair emission and absorption from dark excitons and magnons in LaOMnSe
Birender Singh, Xian Xu, Sabrina R. Hatt +21
Altermagnets' (AMs) non-relativistic spin splitting enables novel states, spintronic and magneto-optical devices, though their optical signatures remain elusive. Here, we report ex…
Superfluid Spin Transport in the Van der Waals Antiferromagnet CrCl
Peisen Yuan, Xiaomin Guo, Vincent Flynn +3
Over the past decade, the quest for spin superfluidity has moved to the forefront of spintronics, driven by the promise of phase-gradient-driven, ultra-low-loss spin transport. How…
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…
Field-induced first order transitions and phase coexistence in the Kitaev quantum spin liquid candidate BaCo2(AsO4)2
Tanner J. Legvold, Bin Gao, Rong-Zhu Lin +9
BaCo2(AsO4)2 (BCAO) is an insulating Kitaev quantum spin liquid candidate with a rich low-temperature phase diagram. Below 5 K, it exhibits double-zigzag magnetic order. Upon appli…
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…
Emergent spatiotemporal order and nonreciprocity in driven-dissipative nonlinear magnetic systems
Vincent Flynn, Benedetta Flebus
The identification of platforms with independently tunable nonlinearity and non-Hermiticity promises a quantitative route to far-from-equilibrium universality across many-body syst…
Generating single- and many-body quantum magnonic states
Violet Williams, Jayakrishnan M. P. Nair, Yaroslav Tserkovnyak +1
The growing interest in quantum magnonics is driving the development of advanced techniques for generating, controlling, and detecting non-classical magnonic states. Here, we explo…
Angular Momentum Fluctuations in the Phonon Vacuum of Symmetric Crystals
Rule Yi, Violet Williams, Benedetta Flebus
Although time-reversal and inversion symmetry constrain the angular momentum of each phonon mode to vanish, we show that the vacuum state of crystals with such symmetries can never…
The role of excitation vector fields and all-polarisation state control of cavity magnonics
Alban Joseph, Jayakrishnan M. P. Nair, Mawgan A. Smith +8
Recently the field of cavity magnonics, a field focused on controlling the interaction between magnons and confined microwave photons within microwave resonators, has drawn signifi…
Magnon-Photon Coupling in an Opto-Electro-Magnonic Oscillator
Yuzan Xiong, Jayakrishnan M. P. Nair, Andrew Christy +5
The opto-electronic oscillators (OEOs) hosting self-sustained oscillations by a time delayed mechanism are of particular interest in long-haul signal transmission and processing. O…
Layer-dependent magnetism and spin fluctuations in atomically thin van der Waals magnet CrPS4
Mengqi Huang, Jazmine C. Green, Jingcheng Zhou +8
van der Waals (vdW) magnets, an emerging family of two-dimensional (2D) materials, have received tremendous attention due to their rich fundamental physics and significant potentia…