Chiral magnets from string theory

Y Amari, M Nitta - Journal of High Energy Physics, 2023 - Springer
A bstract Chiral magnets with the Dzyaloshinskii-Moriya (DM) interaction have received
quite an intensive focus in condensed matter physics because of the presence of a chiral …

Non-Abelian chiral soliton lattice in rotating QCD matter: Nambu-Goldstone and excited modes

M Eto, K Nishimura, M Nitta - Journal of High Energy Physics, 2024 - Springer
A bstract The ground state of QCD with two flavors at a finite baryon chemical potential
under rapid rotation is a chiral soliton lattice (CSL) of the η meson, consisting of a stack of …

Domain-wall skyrmion chain and domain-wall bimerons in chiral magnets

Y Amari, C Ross, M Nitta - Physical Review B, 2024 - APS
We construct domain-wall skyrmion chains and domain-wall bimerons in chiral magnets with
an out-of-plane easy-axis anisotropy and without a Zeeman term coupling to a magnetic …

Phases of rotating baryonic matter: non-Abelian chiral soliton lattices, antiferro-isospin chains, and ferri/ferromagnetic magnetization

M Eto, K Nishimura, M Nitta - Journal of High Energy Physics, 2022 - Springer
A bstract A chiral soliton lattice (CSL), proposed as the ground state of rotating baryonic
matter at a finite density, is shown to be unstable in a large parameter region for two flavors …

Quantum nucleation of topological solitons

M Eto, M Nitta - Journal of High Energy Physics, 2022 - Springer
A bstract The chiral soliton lattice is an array of topological solitons realized as ground states
of QCD at finite density under strong magnetic fields or rapid rotation, and chiral magnets …

Skyrmion crystal phase on a magnetic domain wall in chiral magnets

Y Amari, M Nitta - arXiv preprint arXiv:2409.07943, 2024 - arxiv.org
We study a magnetic domain wall in the ferromagnetic phase in chiral magnets in two
dimensions with an in-plane easy-axis anisotropy and an out-of-plane Zeeman magnetic …

Exploring instantons in nonlinear sigma models with spin-lattice systems

S Schenk, M Spannowsky - Physical Review B, 2021 - APS
Instanton processes are present in a variety of quantum field theories relevant to high
energy as well as condensed matter physics. While they have led to important theoretical …

[HTML][HTML] Modelling the elliptical instability of magnetic skyrmions

B Barton-Singer - Magnetism, 2024 - mdpi.com
Two recently developed methods of modelling chiral magnetic soliton elliptical instability are
applied in two novel scenarios: the tilted ferromagnetic phase of chiral magnets dominated …

Solitonic ground state in supersymmetric theory in background

M Nitta, S Sasaki - arXiv preprint arXiv:2404.12066, 2024 - arxiv.org
A solitonic ground state called a chiral soliton lattice (CSL) is realized in a supersymmetric
theory with background magnetic field and finite chemical potential. To this end, we …

Near-BPS baby Skyrmions with Gaussian tails

SB Gudnason, M Barsanti, S Bolognesi - Journal of High Energy Physics, 2021 - Springer
A bstract We consider the baby Skyrme model in a physically motivated limit of reaching the
restricted or BPS baby Skyrme model, which is a model that enjoys area-preserving …