Reversal of nanomagnets by propagating magnons in ferrimagnetic yttrium iron garnet enabling nonvolatile magnon memory

K Baumgaertl, D Grundler - Nature Communications, 2023 - nature.com
Despite the unprecedented downscaling of CMOS integrated circuits, memory-intensive
machine learning and artificial intelligence applications are limited by data conversion …

Principles of spintronic THz emitters

W Wu, C Yaw Ameyaw, MF Doty… - Journal of Applied …, 2021 - pubs.aip.org
Significant progress has been made in answering fundamental questions about how and,
more importantly, on what time scales interactions between electrons, spins, and phonons …

A many-body approach to transport in quantum systems: from the transient regime to the stationary state

M Ridley, NW Talarico, D Karlsson… - Journal of Physics A …, 2022 - iopscience.iop.org
We review one of the most versatile theoretical approaches to the study of time-dependent
correlated quantum transport in nano-systems: the non-equilibrium Green's function (NEGF) …

Electrical switching of the perpendicular Néel order in a collinear antiferromagnet

W He, T Zhang, Y Zhou, C Wan, H Wu, B Cui, J Xia… - Nature …, 2024 - nature.com
Spintronics is based on the electrical manipulation of magnetic order through current-
induced spin torques. In collinear antiferromagnets with perpendicular magnetic anisotropy …

Fate of entanglement in magnetism under Lindbladian or non-Markovian dynamics and conditions for their transition to Landau-Lifshitz-Gilbert classical dynamics

F Garcia-Gaitan, BK Nikolić - Physical Review B, 2024 - APS
The entanglement of many localized spins (LSs) within solid magnetic materials is a topic of
great basic and applied interest, particularly after becoming amenable to experimental …

Deterministic switching of perpendicular magnetization by out-of-plane anti-damping magnon torques

F Wang, G Shi, D Yang, HR Tan, C Zhang, J Lei… - Nature …, 2024 - nature.com
Spin-wave excitations of magnetic moments (or magnons) can transport spin angular
momentum in insulating magnetic materials. This property distinguishes magnonic devices …

Magnon-Assisted Magnetization Reversal of Ni81Fe19 Nanostripes on Y3Fe5O12 with Different Interfaces

A Mucchietto, K Baumgaertl, D Grundler - ACS nano, 2024 - ACS Publications
Magnetic bit writing by short-wave magnons without conversion to the electrical domain is
expected to be a game-changer for in-memory computing architectures. Recently, the …

Giant spin Nernst effect in a two-dimensional antiferromagnet due to magnetoelastic coupling induced gaps and interband transitions between magnonlike bands

DQ To, CY Ameyaw, A Suresh, S Bhatt, MJH Ku… - Physical Review B, 2023 - APS
We analyze theoretically the origin of the spin Nernst and thermal Hall effects in FePS 3 as a
realization of a two-dimensional antiferromagnet (2D AFM). We find that a strong …

Quantum many-body states and Green's functions of nonequilibrium electron-magnon systems: Localized spin operators versus their mapping to Holstein-Primakoff …

U Bajpai, A Suresh, BK Nikolić - Physical Review B, 2021 - APS
It is well-known that operators of localized spins within a magnetic material satisfy neither
fermionic nor bosonic commutation relations. Thus, to construct diagrammatic many-body …

Spintronics meets density matrix renormalization group: Quantum spin-torque-driven nonclassical magnetization reversal and dynamical buildup of long-range …

MD Petrović, P Mondal, AE Feiguin, P Plecháč… - Physical Review X, 2021 - APS
We introduce the time-dependent density matrix renormalization group (tDMRG) as a
solution to a long-standing problem in spintronics—how to describe spin-transfer torque …