39 citations · 199 across the 23 of their papers we have counts for
24 papers
Magnetic Order from First-Principles Linear Response
Yaroslav Zhumagulov, Emiliano Cruz-Aranda, Denis Kochan +1
The magnetic order of a material is usually predicted by comparing the energies of trial spin configurations, a strategy that cannot reach orders outside the chosen set and rapidly…
Displacement-field-driven reconstruction of low energy transport in few-layer PtSe2
Xiao Liu, Yaroslav Zhumagulov, Yuang Jie +9
In layered semiconductors, a perpendicular displacement field generates an interlayer potential difference that competes with interlayer hybridization, modifying both the band gap…
Anatomy of Spin--Orbit Torques in Monolayer FeGeTe and FeGaTe: Insights from atomistic and momentum-space decompositions
Gusthavo M. S. Brizolla, Stepan S. Tsirkin, Yaroslav Zhumagulov +1
We present a systematic first-principles study of the spin-orbit torques in the ferromagnetic monolayers FeGeTe (FGT) and FeGaTe (FGaT). Despite sharing the same cr…
First-Principles Wannier Representation of Proximity Effects
Yaroslav Zhumagulov, Johan Félisaz, Stepan S. Tsirkin +2
Proximity effects in layered heterostructures are commonly represented by static parameters fitted to first-principles band structures, an approximation that usually discards the e…
Electronic properties and topological aspects of graphene nanohelicoids
Xiaoqian Liu, Arsen Herasymchuk, Yaroslav Zhumagulov +1
We introduce graphene nanohelicoids, geometric analogs of graphene nanoribbons, in which the honeycomb lattice is embedded on a helicoidal surface. Starting from the three-dimensio…
Efficient Magnetic Spin-Filtering and Persistent Spin-Currents in Lifshitz-Transitioned Altermagnets: A Route to Open-Orbit Spintronics
Wun-Hao Kang, Yu-Ting Hsiao, Jozef Genzor +3
Altermagnets offer a unique venue for spin transport due to their vanishing net magnetization and momentum-dependent spin splitting. We demonstrate that a homotopic Lifshitz transi…
Layer-selective spin-orbit coupling and strong correlation in bilayer graphene
Anna M. Seiler, Yaroslav Zhumagulov, Klaus Zollner +8
Spin-orbit coupling (SOC) and electron-electron interaction can mutually influence each other and give rise to a plethora of intriguing phenomena in condensed matter systems. In pr…
Swapping exchange and spin-orbit induced correlated phases in proximitized Bernal bilayer graphene
Yaroslav Zhumagulov, Denis Kochan, Jaroslav Fabian
Ex-so-tic van der Waals heterostructures take advantage of the electrically tunable layer polarization to swap proximity exchange and spin-orbit coupling in the electronically acti…
Emergent correlated phases in rhombohedral trilayer graphene induced by proximity spin-orbit and exchange coupling
Yaroslav Zhumagulov, Denis Kochan, Jaroslav Fabian
The impact of proximity-induced spin-orbit and exchange coupling on the correlated phase diagram of rhombohedral trilayer graphene (RTG) is investigated theoretically. By employing…
Emergent Trion-Phonon Coupling in Atomically-Reconstructed MoSe-WSe Heterobilayers
Sebastian Meier, Yaroslav Zhumagulov, Matthias Dietl +8
In low-temperature resonant Raman experiments on MoSe-WSe heterobilayers, we identify a hybrid interlayer shear mode (HSM) with an energy, close to the interlayer shear mod…
All-optical magnetization control in CrI monolayers: a microscopic theory
A. Kudlis, M. Kazemi, Y. Zhumagulov +4
Bright excitons in ferromagnetic monolayers CrI efficiently interact with lattice magnetization, which makes possible all-optical resonant magnetization control in this materia…
Strain control of exciton and trion spin-valley dynamics in monolayer transition metal dichalcogenides
Zhao An, Pedro Soubelet, Yaroslav Zhumagulov +10
The electron-hole exchange interaction is a fundamental mechanism that drives valley depolarization via intervalley exciton hopping in semiconductor multi-valley systems. Here, we…
Excitonic effects in time-dependent density functional theory from zeros of the density response
D. R. Gulevich, Ya. V. Zhumagulov, V. Kozin +1
We show that the analytic structure of the dynamical xc kernels of semiconductors and insulators can be sensed in terms of its poles which mark physically relevant frequencies of t…
Robust polaritons in magnetic monolayers of CrI3
Yaroslav V. Zhumagulov, Salvatore Chiavazzo, Ivan A. Shelykh +1
We show that the regime of strong-light matter coupling with remarkable magnetic properties can be realized in systems based on monolayers of chromium triiodide (CrI3). This two-di…
Interaction of excitons with magnetic topological defects in 2D magnetic monolayers: localization and anomalous Hall effect
M. Kazemi, V. A. Shahnazaryan, Y. V. Zhumagulov +2
Novel 2D material CrI3 reveals unique combination of 2D ferromagnetism and robust excitonic response. We demonstrate that the possibility of the formation of magnetic topological d…
Edge states in proximitized graphene ribbons and flakes in a perpendicular magnetic field: emergence of lone pseudohelical pairs and pure spin-current states
Yaroslav Zhumagulov, Tobias Frank, Jaroslav Fabian
We investigate the formation of edge states in graphene ribbons and flakes with proximity induced valley-Zeeman and Rashba spin-orbit couplings in the presence of a perpendicular m…
Strength of the Hubbard potential and its modification by breathing distortion in
Alexander E. Lukyanov, Ivan A. Kovalev, Vyacheslav D. Neverov +3
compound is known as an archetype example of a three-dimensional Holstein model with the realization of the charge density wave state at half-filling and the sup…
Nonlinear spectroscopy of excitonic states in transition metal dichalcogenides
Yaroslav V. Zhumagulov, Vyacheslav D. Neverov, Alexander E. Lukyanov +4
Second-harmonic generation (SHG) is a well-known nonlinear spectroscopy method to probe electronic structure, specifically, in transition metal dichalcogenide (TMDC) monolayers. Th…
Microscopic theory of exciton and trion polaritons in doped monolayers of transition metal dichalcogenides
Y. V. Zhumagulov, S. Chiavazzo, D. R. Gulevich +3
We study a doped transition metal dichalcogenide (TMDC) monolayer in an optical microcavity. Using the microscopic theory, we simulate spectra of quasiparticles emerging due to the…
Electrostatic control of the trion fine structure in transition metal dichalcogenide monolayers
Yaroslav V. Zhumagulov, Alexei Vagov, Dmitry R. Gulevich +1
Charged excitons (trions) are essential for the optical spectra in low dimensional doped monolayers (ML) of transitional metal dichalcogenides (TMDC). Using a direct diagonalizatio…
Laser-induced ultrafast insulator-metal transition in
Alexander E. Lukyanov, Vyacheslav D. Neverov, Yaroslav V. Zhumagulov +3
We investigate ultra-fast coherent quantum dynamics of undoped driven by a strong laser pulse. Our calculations demonstrate that in a wide range of radiation fre…
Trion induced photoluminescence of a doped MoS2 monolayer
Yaroslav V. Zhumagulov, Alexei Vagov, Paulo E. Faria Junior +2
We demonstrate that the temperature and doping dependencies of the photoluminescence (PL) spectra of a doped MoS2 monolayer have several peculiar characteristics defined by trion r…
Three-particle states and brightening of intervalley excitons in a doped MoS monolayer
Yaroslav V. Zhumagulov, Alexei Vagov, Natalia Yu. Senkevich +2
Optical spectra of two-dimensional transition-metal dichalcogenides (TMDC) are influenced by complex multi-particle excitonic states. Their theoretical analysis requires solving th…
Nonadiabatic time-dependent density-functional theory at the cost of adiabatic local density approximation
Dmitry R. Gulevich, Yaroslav V. Zhumagulov, Alexei V. Vagov +1
We propose a computationally efficient approach to the nonadiabatic time-dependent density functional theory (TDDFT) which is based on a representation of the frequency-dependent e…