Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Schroers, Bernd J."'
Publikováno v:
SciPost Phys. 15, 011 (2023)
Using a general framework, interaction potentials between chiral magnetic solitons in a planar system with a tilted external magnetic field are calculated analytically in the limit of large separation. The results are compared to previous numerical r
Externí odkaz:
http://arxiv.org/abs/2211.08017
Autor:
Kuchkin, Vladyslav M., Chichay, Ksenia, Barton-Singer, Bruno, Rybakov, Filipp N., Blügel, Stefan, Schroers, Bernd J., Kiselev, Nikolai S.
Publikováno v:
Phys. Rev. B 104, 165116 (2021)
The uniform motion of chiral magnetic skyrmions induced by a spin-transfer torque displays an intricate dependence on the skyrmions' topological charge and shape. We reveal surprising patterns in this dependence through simulations of the Landau-Lifs
Externí odkaz:
http://arxiv.org/abs/2104.02342
Autor:
Kuchkin, Vladyslav M., Barton-Singer, Bruno, Rybakov, Filipp N., Blügel, Stefan, Schroers, Bernd J., Kiselev, Nikolai S.
Publikováno v:
Phys. Rev. B 102, 144422 (2020)
We present a novel approach to understanding the extraordinary diversity of magnetic skyrmion solutions. Our approach combines a new classification scheme with efficient analytical and numerical methods. We introduce the concept of chiral kinks to ac
Externí odkaz:
http://arxiv.org/abs/2007.06260
Akademický článek
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We introduce a family of models for magnetic skyrmions in the plane for which infinitely many solutions can be given explicitly. The energy defining the models is bounded below by a linear combination of degree and total vortex strength, and the conf
Externí odkaz:
http://arxiv.org/abs/1812.07268
Autor:
Duncan, Callum W, Ross, Calum, Westerberg, Niclas, Valiente, Manuel, Schroers, Bernd J, Öhberg, Patrik
Publikováno v:
Phys. Rev. A 99, 063613 (2019)
We show that the realisation of synthetic magnetic fields via light-matter coupling in the Lambda-scheme implements a natural geometrical construction of magnetic fields, namely as the pullback of the area element of the sphere to Euclidean space via
Externí odkaz:
http://arxiv.org/abs/1808.03655
We give rigorous proofs for the existence of infinitely many (non-BPS) bound states for two linear operators associated with the Yang-Mills-Higgs equations at vanishing Higgs self-coupling and for gauge group SU(2): the operator obtained by linearisi
Externí odkaz:
http://arxiv.org/abs/1708.08363
Autor:
Osei, Prince K, Schroers, Bernd J
Publikováno v:
Class. Quantum Grav.35 (2018) 075006
We study the conditions for classical r-matrices to be compatible with the generalised Chern-Simons action for 3d gravity. Compatibility means solving the classical Yang-Baxter equations with a prescribed symmetric part for each of the real Lie algeb
Externí odkaz:
http://arxiv.org/abs/1708.07650