An efficient implementation of two-component relativistic density functional theory with torque-free auxiliary variables

A Petrone, DB Williams-Young, S Sun… - The European Physical …, 2018 - Springer
An integration and assembly strategy for efficient evaluation of the exchange correlation
term in relativistic density functional theory within two-component Kohn–Sham framework is …

Zero-field spin resonance in graphene with proximity-induced spin-orbit coupling

A Kumar, S Maiti, DL Maslov - Physical Review B, 2021 - APS
We investigate collective spin excitations in graphene with proximity-induced spin-orbit
coupling (SOC) of the Rashba and valley-Zeeman types, as it is the case, eg, for graphene …

Collective spin modes in fermi liquids with spin–orbit coupling

DL Maslov, A Kumar, S Maiti - Journal of Experimental and Theoretical …, 2022 - Springer
A combination of spin–orbit coupling and electron–electron interaction gives rise to a new
type of collective spin modes, which correspond to oscillations of magnetization even in the …

Phonon-induced collective modes in spin-orbit coupled polar metals

A Kumar, P Chandra, PA Volkov - Physical Review B, 2023 - APS
We study the interplay between collective electronic and lattice modes in polar metals in an
applied magnetic field aligned with the polar axis. Static spin-orbit coupling leads to the …

Chirality and intrinsic dissipation of spin modes in two-dimensional electron liquids

I d'Amico, F Perez, CA Ullrich - Journal of Physics D: Applied …, 2019 - iopscience.iop.org
We review recent theoretical and experimental developments concerning collective spin
excitations in two-dimensional electron liquid (2DEL) systems, with particular emphasis on …

Electrically precise control of the spin polarization of electronic transport at the single-molecule level

YD Guo, JJ Wang, HL Zeng, YR Yang, XX Xu… - Physical Chemistry …, 2020 - pubs.rsc.org
Compared with the conventional magnetic means (such as ferromagnetic contacts),
controlling a spin current by electrical methods could largely reduce the energy consumption …

Spin waves with source-free time-dependent spin density functional theory

JL Bologa, CA Ullrich - Physical Review B, 2024 - APS
Time-dependent spin-density functional theory (TD-SDFT) allows the theoretical description
of spin and magnetization dynamics in electronic systems from first principles. TD-SDFT …

Spin waves in doped graphene: A time-dependent spin density functional approach to collective excitations in paramagnetic two-dimensional Dirac fermion gases

MJ Anderson, F Perez, CA Ullrich - Physical Review B, 2021 - APS
In spin-polarized itinerant electron systems, collective spin-wave modes arise from
dynamical exchange and correlation (xc) effects. We consider here spin waves in doped …

Electrically driven resonant magnetization, spin-pum** and charge-to-spin conversion from chiral-spin modes at THz frequencies

M Saleh, A Kumar, DL Maslov, S Maiti - arxiv preprint arxiv:2501.15752, 2025 - arxiv.org
Chiral-spin modes are collective excitations of a spin-orbit (SO) coupled system that lead to
resonances in many observables. Here we identify resonances in" cross-response", ie …

Ab‐Initio Real‐Time Magnon Dynamics in Ferromagnetic and Ferrimagnetic Systems

N Singh, P Elliott, JK Dewhurst… - … status solidi (b), 2020 - Wiley Online Library
Magnonics—an emerging field of physics—is based on the collective excitations of ordered
spins called spin waves. These low‐energy excitations carry pure spin currents, paving the …