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Pavel Bessarab - Guest Professor

Pavel Bessarab

–

School of Engineering and Natural Sciences

Pavel Bessarab

Guest Professor

Location
Utan H.Í.
Phone
5254701
Email
bessarab [at] hi.is

Unit
Faculty of Physical Sciences
Website
https://sites.google.com/view/pavelbessarab
Published Work
Pavel Bessarab - published work

Curriculum Vitae
Pavel Bessarab - Curriculum Vitae
ORCID site
https://orcid.org/0000-0003-3351-7172
Research portal – Pavel Bessarab

Published works

2024

Enhancing thermal stability of optimal magnetization reversal in nanoparticlesPhysical Review B
All-optical control of skyrmion configuration in CrI$$_3$$ monolayerScientific Reports

2023

All-optical magnetization control in CrI3 monolayers: A microscopic theoryPhysical Review B
Reduction of energy cost of magnetization switching in a biaxial nanoparticle by use of internal dynamicsPhysical Review B
Metaheuristic conditional neural network for harvesting skyrmionic metastable statesPhysical Review Research
Interaction of excitons with magnetic topological defects in 2D magnetic monolayers: localization and anomalous Hall effect2D Materials
Lifetime of coexisting sub-10 nm zero-field skyrmions and antiskyrmionsnpj Quantum Materials

2022

Optimal protocol for spin-orbit torque switching of a perpendicular nanomagnetPhysical Review B
Atomistic spin simulations of electric-field-assisted nucleation and annihilation of magnetic skyrmions in Pd/Fe/Ir(111)Physical Review B
Effects of interlayer exchange on collapse mechanisms and stability of magnetic skyrmionsPhysical Review B
Thermal generation of droplet soliton in chiral magnetPhysical Review B
Simulations of the Minimum Frequencies of Ionospheric Modes for Radio Communication ForecastRadiophysics and Quantum Electronics

2021

Simulations of the Minimum Frequencies of Ionospheric Modes for Radio Communication ForecastIzvestiya vysshikh uchebnykh zavedenii. Radiofizika
Optimal Control of Magnetization Reversal in a Monodomain Particle by Means of Applied Magnetic FieldPhysical Review Letters
Experimental identification of two distinct skyrmion collapse mechanismsNature Physics

2020

Fully self-consistent calculations of magnetic structure within non-collinear Alexander-Anderson modelNanosystems: Physics, Chemistry, Mathematics
Magnetic skyrmion annihilation by quantum mechanical tunnelingNew Journal of Physics
Generalized Force Approach to Point-to-Point Ionospheric Ray Tracing and Systematic Identification of High and Low RaysIEEE Transactions on Antennas and Propagation
Toward room-temperature nanoscale skyrmions in ultrathin filmsnpj Computational Materials
Mechanisms of energy-efficient magnetization switching in a bistable nanowireNanosystems: Physics, Chemistry, Mathematics

2019

Skyrmion lifetime in ultrathin filmsPhysical Review B
Stability and lifetime of antiferromagnetic skyrmionsPhysical Review B
Author Correction: Enhanced skyrmion stability due to exchange frustration (Scientific Reports, (2017), 7, 1, (12299), 10.1038/s41598-017-12525-x)Scientific Reports

2018

Duplication, Collapse, and Escape of Magnetic Skyrmions Revealed Using a Systematic Saddle Point Search MethodPhysical Review Letters
First-principles prediction of sub-10-nm skyrmions in Pd/Fe bilayers on Rh(111)Physical Review B
Energy surface and lifetime of magnetic skyrmionsJournal of Magnetism and Magnetic Materials
Models of the energy landscape for an element of shakti spin iceNanosystems: Physics, Chemistry, Mathematics
Identification of Low and High Ionospheric Rays by a Direct Variational Method2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018
Corrigendum to “Application of the nudged elastic band method to the point-to-point radio wave ray tracing in IRI modeled ionosphere” [Adv. in Space Res. 60 (2017) 491–497] (S0273117716306883) (10.1016/j.asr.2016.12.003))Advances in Space Research
Lifetime of racetrack skyrmionsScientific Reports
Development of Improved Ionospheric Empirical Model and Software for HF Ray Tracing2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018
First-principles prediction of sub-10-nm skyrmions in Pd/Fe bilayers on Rh(111)Physical Review B
The effect of confinement and defects on the thermal stability of skyrmionsPhysica B: Condensed Matter
Interplay between size and stability of magnetic skyrmionsNanosystems: Physics, Chemistry, Mathematics

2017

Comment on “Path to collapse for an isolated Néel skyrmion”Physical Review B
Enhanced skyrmion stability due to exchange frustrationScientific Reports
Comment on "path to collapse for an isolated Néel skyrmionPhysical Review B
Theory of noncollinear interactions beyond Heisenberg exchange: Applications to bcc FePhysical Review B
Magnetic exchange force microscopy: Theoretical analysis of induced magnetization reversalsNanoscale
Microscopic theory for coupled atomistic magnetization and lattice dynamicsPhysical Review Materials
Application of the nudged elastic band method to the point-to-point radio wave ray tracing in IRI modeled ionosphereAdvances in Space Research
Instantons describing tunneling between magnetic states at finite temperatureNanosystems: Physics, Chemistry, Mathematics
Microscopic theory for coupled atomistic magnetization and lattice dynamicsPhysical Review Materials
Calculations of the onset temperature for tunneling in multispin systemsNanosystems: Physics, Chemistry, Mathematics

2016

Method of Transverse Displacements Formulation for Calculating the HF Radio Wave Propagation Paths. Statement of the Problem and Preliminary ResultsRadiophysics and Quantum Electronics
Qualitative insight and quantitative analysis of the effect of temperature on the coercivity of a magnetic systemAIP Advances
Tip-surface interaction and rate of magnetic transitionsJournal of Physics: Conference Series
Spin relaxation signature of colossal magnetic anisotropy in platinum atomic chainsScientific Reports
Classical to quantum mechanical tunneling mechanism crossover in thermal transitions between magnetic statesFaraday Discussions
Crossover temperature for quantum tunnelling in spin systemsJournal of Physics: Conference Series
Investigation of optical path functional for high and low ionospheric radio rays2016 URSI Asia-Pacific Radio Science Conference, URSI AP-RASC 2016
Energy surface and minimum energy paths for Fréedericksz transitions in bistable cholesteric liquid crystalsPhysical Review E

2015

Method for finding mechanism and activation energy of magnetic transitions, applied to skyrmion and antivortex annihilationComputer Physics Communications
Testing the method of transverse displacements for calculating paths of the HF radio wave propagation in three dimensional inhomogeneous media2015 1st URSI Atlantic Radio Science Conference, URSI AT-RASC 2015

2014

Calculations of magnetic states and minimum energy paths of transitions using a noncollinear extension of the Alexander-Anderson model and a magnetic force theoremPhysical Review B

2013

Effect of hydrogen adsorption on the magnetic properties of a surface nanocluster of ironPhysical Review B
Noncollinear magnetic ordering in a magnetic dimer supported on a metallic substrateBulletin of the Russian Academy of Sciences: Physics
Effect of hydrogen adsorption on the magnetic properties of a surface nanocluster of ironPhysical Review B
Size and Shape Dependence of Thermal Spin Transitions in NanoislandsPhysical Review Letters
Potential Energy Surfaces and Rates of Spin TransitionsZeitschrift Fur Physikalische Chemie-International Journal of Research in Physical Chemistry & Chemical Physics
Noncollinear magnetic ordering in a magnetic dimer supported on a metallic substrateBulletin of the Russian Academy of Sciences: Physics
Size and Shape Dependence of Thermal Spin Transitions in NanoislandsPhysical Review Letters

2012

Harmonic transition-state theory of thermal spin transitionsPhysical Review B
Harmonic transition-state theory of thermal spin transitionsPhysical Review B

2010

Vortices and domain walls: 'wormholes' in unconventional superconductorsInternational Conference on Magnetism (Icm 2009)

2009

Layer-heterogeneous magnetic states in metallic nanosystemsPhysics of the Solid State
Layer-Heterogeneous Magnetic States in Metallic NanosystemsPhysics of the Solid State

Keywords for Specialisation:

Theoretical physics

Green's function methods