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Ramon Cardias
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Microscopic origin of Heisenberg and non-Heisenberg exchange interactions in ferromagnetic bcc Fe
YO Kvashnin, R Cardias, A Szilva, I Di Marco, MI Katsnelson, ...
Physical review letters 116 (21), 217202, 2016
942016
The Bethe-Slater curve revisited; new insights from electronic structure theory
R Cardias, A Szilva, A Bergman, ID Marco, MI Katsnelson, AI Lichtenstein, ...
Scientific reports 7 (1), 4058, 2017
592017
First-principles Dzyaloshinskii-Moriya interaction in a non-collinear framework
R Cardias, A Szilva, MM Bezerra-Neto, MS Ribeiro, A Bergman, ...
arXiv preprint arXiv:2007.00358, 2020
312020
Theory of noncollinear interactions beyond Heisenberg exchange: Applications to bcc Fe
A Szilva, D Thonig, PF Bessarab, YO Kvashnin, DCM Rodrigues, ...
Physical Review B 96 (14), 144413, 2017
292017
Magnetic and electronic structure of Mn nanostructures on Ag (111) and Au (111)
R Cardias, MM Bezerra-Neto, MS Ribeiro, A Bergman, A Szilva, ...
Physical Review B 93 (1), 014438, 2016
252016
Magnetism and ultrafast magnetization dynamics of Co and CoMn alloys at finite temperature
R Chimata, EK Delczeg-Czirjak, A Szilva, R Cardias, YO Kvashnin, ...
Physical Review B 95 (21), 214417, 2017
172017
Dzyaloshinskii-Moriya interaction in absence of spin-orbit coupling
R Cardias, A Bergman, A Szilva, YO Kvashnin, J Fransson, AB Klautau, ...
arXiv preprint arXiv:2003.04680, 2020
132020
Comment on “Proper and improper chiral magnetic interactions”
R Cardias, A Szilva, A Bergman, Y Kvashnin, J Fransson, S Streib, ...
Physical Review B 105 (2), 026401, 2022
82022
Adiabatic spin dynamics and effective exchange interactions from constrained tight-binding electronic structure theory: Beyond the Heisenberg regime
S Streib, R Cardias, M Pereiro, A Bergman, E Sjöqvist, C Barreteau, ...
Physical Review B 105 (22), 224408, 2022
72022
Spin dynamics from a constrained magnetic tight-binding model
R Cardias, C Barreteau, P Thibaudeau, CC Fu
Physical Review B 103 (23), 235436, 2021
52021
Coupled spin-lattice dynamics from the tight-binding electronic structure
R Cardias, S Streib, Z Lu, M Pereiro, A Bergman, E Sjöqvist, C Barreteau, ...
Physical Review B 109 (14), 144303, 2024
2024
Unraveling the connection between high-order magnetic interactions and local-to-global spin Hamiltonian in noncollinear magnetic dimers
R Cardias, J dos Santos Silva, A Bergman, A Szilva, YO Kvashnin, ...
Physical Review B 108 (22), 224408, 2023
2023
Adiabatic magnon spectra with and without constraining field: Benchmark against an exact magnon spectrum
S Streib, R Cardias, M Pereiro, A Bergman, E Sjöqvist, A Delin, ...
arXiv preprint arXiv:2302.10958, 2023
2023
Electronic structure and exchange interactions from ab initio theory: New perspectives and implementations
R Cardias Alves de Almeida
Acta Universitatis Upsaliensis, 2018
2018
The Bethe-Slater curve revisited; new insights from electronic structure theory. Supplementary materials
R Cardias, A Szilva, A Bergman, I Di Marco, MI Katsnelson, ...
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Artiklar 1–15