Controlling the interaction of ultracold alkaline-earth atoms

R Zhang, Y Cheng, P Zhang, H Zhai - Nature Reviews Physics, 2020 - nature.com
Ultracold alkaline-earth atoms are used in precision measurements and quantum
simulation. Because of their unique atomic structure, they could enable the study of …

Non-Hermitian Kondo effect in ultracold alkaline-earth atoms

M Nakagawa, N Kawakami, M Ueda - Physical review letters, 2018 - APS
We investigate the Kondo effect in an open quantum system, motivated by recent
experiments with ultracold alkaline-earth (-like) atoms. Because of inelastic collisions and …

Relation between spin Hall effect and anomalous Hall effect in ferromagnetic metals

Y Omori, E Sagasta, Y Niimi, M Gradhand, LE Hueso… - Physical Review B, 2019 - APS
We study the mechanisms of the spin Hall effect (SHE) and anomalous Hall effect (AHE) in 3
d ferromagnetic metals [Fe, Co, permalloy (Ni 81 Fe 19; Py), and Ni] by varying their …

Modeling ultrafast demagnetization and spin transport: The interplay of spin-polarized electrons and thermal magnons

M Beens, RA Duine, B Koopmans - Physical Review B, 2022 - APS
We theoretically investigate laser-induced spin transport in metallic magnetic
heterostructures using an effective spin-transport description that treats itinerant electrons …

Localized magnetic moments with tunable spin exchange in a gas of ultracold fermions

L Riegger, N Darkwah Oppong, M Höfer… - Physical review …, 2018 - APS
We report on the experimental realization of a state-dependent lattice for a two-orbital
fermionic quantum gas with strong interorbital spin exchange. In our state-dependent lattice …

Electroconvection in a viscoelastic electrolyte

G Li, LA Archer, DL Koch - Physical review letters, 2019 - APS
Direct numerical simulations of a liquid electrolyte with polymer additives demonstrate that
viscoelasticity promotes an earlier transition from steady to unsteady electroconvective flow …

Recent progresses of ultracold two-electron atoms

C He, E Hajiyev, Z Ren, B Song… - Journal of Physics B …, 2019 - iopscience.iop.org
In this topical review, we discuss the recent advances in ultracold two-electron atoms. Owing
to their unique electronic level structure and relevant narrow optical transitions, alkaline …

First-principles calculation of spin-orbit torque in a Co/Pt bilayer

KD Belashchenko, AA Kovalev… - Physical Review Materials, 2019 - APS
The angular dependence of spin-orbit torque in a disordered Co/Pt bilayer is calculated
using a first-principles nonequilibrium Green's function formalism with an explicit supercell …

Exploring the anisotropic Kondo model in and out of equilibrium with alkaline-earth atoms

M Kanász-Nagy, Y Ashida, T Shi, CP Moca, TN Ikeda… - Physical Review B, 2018 - APS
We propose a scheme to realize the Kondo model with tunable anisotropy using alkaline-
earth atoms in an optical lattice. The new feature of our setup is Floquet engineering of …

Resonant pair-exchange scattering and BCS-BEC crossover in a system composed of dispersive and heavy incipient bands: A Feshbach analogy

K Ochi, H Tajima, K Iida, H Aoki - Physical Review Research, 2022 - APS
We theoretically show that a two-band system with very different masses harbors a resonant
pair scattering that leads to novel pairing properties, as highlighted by the Bardeen-Cooper …