21 citations · 50 across the 25 of their papers we have counts for
27 papers
From Quantum to Classical Dissipative Spin Dynamics
Alireza Ataei, Leila Ataei, Olle Eriksson +1
The Landau-Lifshitz-Gilbert (LLG) equation provides the fundamental description of dissipative magnetization dynamics. A recently proposed quantum analog, the quantum Landau-Lifshi…
Mixed-Valent Magnetism in CeFe from Multi-Impurity DFT+DMFT
Basile Herzog, Vladislav Borisov, Olle Eriksson
The microscopic origin of magnetism in CeFe has remained unresolved for almost forty years, where polarized-neutron diffraction and x-ray magnetic circular dichroism infer mark…
Magnetic frustration and non-collinear textures in layered Gd magnets
Vladislav Borisov, Rohit Pathak, Sagar Sarkar +2
Using scale-bridging simulations based on electronic structure theory and atomistic spin dynamics, we investigate the magnetic properties of skyrmionic GdRuSi and GdRuG…
Energy Ordering from Nonlinear Quantum Dissipation
Alireza Ataei, Olle Eriksson, Vahid Azimi-Mousolou
Energy-ordered occupation is deeply embedded in quantum physics, from the Aufbau principle governing the filling of electronic states in atoms and molecules to the emergence of low…
Topological Hall plateau in quasi-2D kagome magnet YMnSn
Sambit Jena, Nastaran Salehi, Manuel Pereiro Lopez +5
We examine the impact of the Dzyaloshinskii--Moriya interaction (DMI) in kagome magnets and show that a predominantly planar DMI together with ferromagnetic exchange stabilizes a d…
Ferroelectrical Switching as a Probe of Quantum Damping in Magnetic Spin Systems
Yuefei Liu, Anna Delin, Olle Eriksson +3
While damped spin dynamics is important for the understanding of magnetic materials, clear signatures of \emph{quantum corrections} to the Gilbert damping mechanism remain elusive.…
Ground-state preparation via nonlinear quantum dissipation
Alireza Ataei, Olle Eriksson, Vahid Azimi Mousolou
Ground-state preparation of quantum many-body systems is a fundamental challenge across quantum science, with implications for quantum simulation, quantum computing, and the study…
Mechanical control of magnetic exchange and response in GdRuSi: A computational study
Sagar Sarkar, Rohit Pathak, Arnob Mukherjee +3
We present a systematic computational study of the effect of uniaxial strain on the magnetic properties of GdRuSi, a centrosymmetric material known to host a field-induced…
Magnon Shake-up: Entanglement Generation and Sensing
Vahid Azimi-Mousolou, Anna Delin, Erik Sjöqvist +1
Shake-up phenomena, rooted in the sudden approximation and many-body quantum dynamics, unveil critical characteristics of quantum systems, with wide-ranging applications in molecul…
Dynamical electronic correlation and chiral magnetism in van der Waals magnet Fe4GeTe2
Md. Nur Hasan, Nastaran Salehi, Felix Sorgenfrei +7
Among the quasi-2D van der Waals magnetic systems, Fe4GeTe2 imprints a profound impact due to its near-room temperature ferromagnetic behaviour and the complex magnetothermal phase…
Hybrid micromagnetic and atomistic modeling of magnetization dynamics induced by engineered defects
Nastaran Salehi, Olle Eriksson, Johan Hellsvik +1
This study presents a 3D version of multiscale approach for investigating magnetization dynamics in multiscale, hybrid micromagnetic-atomistic simulations. The present work introdu…
Complex magnetic exchange, anisotropy and skyrmionic textures in two-dimensional FeXZ (\textit{X} = Nb, Ta and \textit{Z} = S, Se, Te) ferromagnets
Soheil Ershadrad, Nikola Machacova, Arnob Mukherjee +3
FeNbTe, long known as a van der Waals metallic system, has recently been resynthesized and shown to exhibit ferromagnetic order. In this study, using first-principles density…
Machine Learning for Improved Density Functional Theory Thermodynamics
Sergei I. Simak, Erna K. Delczeg-Czirjak, Olle Eriksson
The predictive accuracy of density functional theory (DFT) for alloy formation enthalpies is often limited by intrinsic energy resolution errors, particularly in ternary phase stab…
Charge-state dependent spin-orbit coupling and quantum phase transitions in Ir-Ru oxides
Kuldeep Kargeti, Bidyut Mallick, Vladislav Borisov +4
The competition between kinematic, relativistic and Coulombic interactions in iridium-based oxides has spurred intense experimental and theoretical investigations regarding the ele…
Ultrafast demagnetization dynamics of 4f antiferromagnets
Maryna Pankratova, Vladislav Borisov, Danny Thonig +6
We study the ultrafast demagnetization dynamics of LnRhSi (Ln Pr, Nd, Sm, Gd, Tb, Dy, Ho) antiferromagnets (AFM) after excitation by a laser pulse, using a combination…
Pressure-Tuned Magnetism and Bandgap Modulation in Layered Fe-Doped CrCl3
Aya Ali, Govindaraj Lingannan, Lukas Gries +9
We explore the structural, magnetic, vibrational and optical band gap properties under varying pressures. By integrating first-principles calculations with experimental techniques,…
How to Measure and Model Light-Induced Spin Transfer
Sinéad A. Ryan, Mohamed F. Elhanoty, Anya Grafov +13
Femtosecond laser light can transfer spin angular momentum between magnetic subspecies that exhibit hybridized valence bands within an alloy or compound, and represents the fastest…
Unveiling Mysteries of GdRuSi: 3D Magnetism in a layered like Magnet
Sagar Sarkar, Rohit Pathak, Arnob Mukherjee +3
GdRuSi, a centrosymmetric magnet with a square lattice of Gd atoms, hosts a short-period skyrmion square lattice (SkL) without Dzyaloshinskii-Moriya interaction (DMI). RKKY…
Quantum spin systems: toroidal classification and geometric duality
Vahid Azimi-Mousolou, Anders Bergman, Anna Delin +4
Toroidal classification and geometric duality in quantum spin systems is presented. Through our classification and duality, we reveal that various bipartite quantum features in mag…
Chemical disorder effects on the Gilbert damping of FeCo alloys
Zhiwei Lu, I. P. Miranda, Simon Streib +8
The impact of the local chemical environment on the Gilbert damping in the binary alloy FeCo is investigated, using computations based on density functional theory.…
Topological magnon in exchange frustration driven incommensurate spin spiral of a kagome lattice YMnSn
Banasree Sadhukhan, Anders Bergman, Patrik Thunström +3
YMnSn consists of two types of Mn-based kagome planes stacked along -axis having a complex magnetic interactions. We report a spin reconstruction in YMnSn from f…
Zero-field magnetic skyrmions in exchange-biased ferromagnetic-antiferromagnetic bilayers
M. Pankratova, O. Eriksson, A. Bergman
We report on the stabilization of ferromagnetic skyrmions in zero external magnetic fields, in exchange-biased systems composed of ferromagnetic-antiferromagnetic (FM-AFM) bilayers…
Tuning of the ultrafast demagnetization by ultrashort spin polarized currents in multi-sublattice ferrimagnets
Deeksha Gupta, Maryna Pankratova, Matthias Riepp +11
Femtosecond laser pulses can be used to induce ultrafast changes of the magnetization in magnetic materials. Several microscopic mechanisms have been proposed to explain the observ…
Quantum analog of Landau-Lifshitz-Gilbert dynamics
Yuefei Liu, Ivan P. Miranda, Lee Johnson +7
The Landau-Lifshitz-Gilbert (LLG) and Landau-Lifshitz (LL) equations play an essential role for describing the dynamics of magnetization in solids. While a quantum analog of the LL…