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Related papers: A Skyrme lattice with hexagonal symmetry

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We elucidate magnetic effects in the skyrmion system to probe into the dense nuclear matter. We find a deformed $\pi^0$ dipole structure of a baryon induced by a magnetic field. We then extend our scope to stacked Skyrme crystal layers to…

High Energy Physics - Phenomenology · Physics 2022-03-07 Shi Chen , Kenji Fukushima , Zebin Qiu

Two recently found coupled BPS submodels of the Skyrme model are further analyzed. Firstly, we provide a geometrical formulation of the submodels in terms of the eigenvalues of the strain tensor. Secondly, we study their thermodynamical…

High Energy Physics - Theory · Physics 2018-02-14 C. Adam , D. Foster , S. Krusch , A. Wereszczynski

Magnetic skyrmions forming two-dimensional (2D) lattices provide a versatile platform for investigating phase transitions predicted by Kosterlitz-Thouless-Halperin-Nelson-Young (KTHNY) theory. While 2D melting in skyrmion systems has been…

Skyrmions are spiral structures observed in thin films of certain magnetic materials (10.1126/science.1120639). Of the phases allowed by the crystalline symmetries of these materials(10.1103/PhysRevB.80.054416) only the hexagonally packed…

Statistical Mechanics · Physics 2015-06-11 Matthew Ambrose , Robert Stamps

Skyrmions are topologically protected spin textures, characterized by a topological winding number N , that occur spontaneously in some magnetic materials. Recent experiments have demonstrated the capability to grow graphene on top Fe/Ir, a…

Mesoscale and Nanoscale Physics · Physics 2015-09-30 J. L. Lado , J. Fernandez-Rossier

We systematically analyze the impact of dilatonic dynamics on Skyrme spheres, crystals and branes. The effects of the dilatonic model parameters, encompassing different underlying near-conformal dynamics, on the macroscopic properties of…

High Energy Physics - Phenomenology · Physics 2023-10-09 Jahmall Bersini , Alessandra D'Alise , Matias Torres , Francesco Sannino

Magnetic skyrmions are mesmerizing spin textures with peculiar topological and dynamical properties, typically the product of competing interactions in ferromagnets, and with great technological potential [1-5]. Researchers have long…

The BPS Skyrme model is a model containing an $SU(2)$-valued scalar field, in which a Bogomol'nyi-type inequality can be satisfied by soliton solutions. In this model, the energy density of static configurations is the sum of the square of…

High Energy Physics - Theory · Physics 2016-07-26 Árpád Lukács

The chiral symmetry-breaking term of the Skyrme model with massive pion is modified to obtain the hedgehog profile function which is in best coincidence with the kink-like profile function. For the modified Lagrangian, the minimum of the…

Quantum Physics · Physics 2007-05-23 Nguyen Vien Tho , Phu Chi Hoa

We study quantum Hall ferromagnets with a finite density topologically charged spin textures in the presence of internal degrees of freedom such as spin, valley, or layer indices, so that the system is parametrised by a $d$-component…

Strongly Correlated Electrons · Physics 2015-06-05 D. L. Kovrizhin , Benoît Douçot , R. Moessner

Motivated by recent low-temperature magnetoresistance measurements in twisted bilayer graphene aligned with hexagonal Boron Nitride substrate, we perform a systematic study of possible symmetry breaking orders in this device at a filling of…

Strongly Correlated Electrons · Physics 2020-04-29 Shubhayu Chatterjee , Nick Bultinck , Michael P. Zaletel

An unified approximated solution for symmetric Skyrmions was proposed for the SU(2) Skyrme model for baryon numbers up to 8,which take the hybrid form of a kink-like solution and that given by the instanton method. The Skyrmion profiles are…

High Energy Physics - Phenomenology · Physics 2011-03-31 Duo-Jie Jia , Xiao-Wei Wang

Since the pioneering work Lohani et. al., Phys. Rev. X 9, 041063 (2019), it became clear that quantum skyrmions have highly unusual properties as compared to the classical skyrmions and, due to their quantumness, cannot be described by…

Mesoscale and Nanoscale Physics · Physics 2025-08-11 D. Maroulakos , A. Wal , A. Ugulava , O. Kharshiladze , L. Chotorlishvili

Spin-polarized scanning tunneling microscopy has been applied to study non-collinear spin textures of a Mn monolayer on a four-fold symmetric W(001) substrate revealing a zero-field spin spiral ground state and two different types of…

Mesoscale and Nanoscale Physics · Physics 2022-06-15 Reiner Brüning , André Kubetzka , Kirsten von Bergmann , Elena Y. Vedmedenko , Roland Wiesendanger

We consider the BEC-Skyrme model which is based on a Skyrme-type model with a potential motivated by Bose-Einstein condensates (BECs) and, in particular, we study the Skyrmions in proximity of a domain wall that inhabits the theory. The…

High Energy Physics - Theory · Physics 2018-12-07 Sven Bjarke Gudnason , Muneto Nitta

It was predicted qualitatively in ref.[1] that skyrmion matter at low density is stable in an inhomogeneous phase where skyrmions condensate into lumps while the remaining space is mostly empty. The aim of this paper is to proof…

High Energy Physics - Phenomenology · Physics 2019-07-24 Byung-Yoon Park , Won-Gi Paeng , Vicente Vento

The melting and magnetic disordering of the skyrmion lattice in the quantum Hall system at filling factor $\nu\approx 1$ are studied. A Berezinskii-Kosterlitz-Thouless renormalization group theory is employed to describe the coupled…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Carsten Timm , S. M. Girvin , H. A. Fertig

We review recent development on combining heavy-quark symmetry and chiral symmetry in the skyrmion structure of the baryons containing one or more heavy quarks, c (charmed) and b (bottom). We describe two approaches: One going from the…

High Energy Physics - Phenomenology · Physics 2010-11-01 Dong-Pil Min , Yongseok Oh , Byung-Yoon Park , Mannque Rho

In this work, we focus on the fermionic structure of the low-energy excitations of graphene (a monolayer of carbon atoms) to propose a new supersymmetric field-theoretic model for this physical system. In the current literature, other…

In a previous article, the 4D half-skyrmion (or 5D dyonic salt) structure of dense baryonic matter described in crystalline configuration in the large $N_c$ limit was shown to impact nontrivially on how anti-kaons behave in compressed…

Nuclear Theory · Physics 2011-02-23 Hyun Kyu Lee , Byung-Yoon Park , Mannque Rho