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Magnonic quasicrystals exceed the possibilities of spin wave (SW) manipulation offered by regular magnonic crystals, because of their more complex SW spectra with fractal characteristics. Here, we report the direct x-ray microscopic…

We study how spin and orbital effects influence the capability of promoting Dzyaloshinskii-Moriya (DM) interaction by studying the two magnetic polar materials, Cu(IO3)2 (S = 1/2 with orbital contribution) and Mn(IO3)2 (S = 5/2 with…

Altermagnets have attracted intense interest because they have the advantages of both ferromagnets and antiferromagnets. However, their experimental identification remains challenging, in particular for the A-type altermagnets that account…

Mesoscale and Nanoscale Physics · Physics 2026-05-15 Zhoujian Sun , Yiyuan Chen , Tao Yu , Hai-Zhou Lu , X. C. Xie

Despite ground-breaking observations of supersolidity in spin-orbit-coupled Bose-Einstein condensates, until now the dynamics of the emerging spatially periodic density modulations has been vastly unexplored. Here, we demonstrate the…

In a recent inelastic neutron scattering experiment in the pseudogap state of the high temperature superconductor $\mathrm{YBa_{2}Cu_{3}O_{6.6}}$ an unusual `vertical' dispersion of the spin excitations with a large in-plane anisotropy was…

Superconductivity · Physics 2015-03-20 Chen-Hsuan Hsu , Zhiqiang Wang , Sudip Chakravarty

We show by computer simulation of a two-dimensional crystal confined by corrugated walls that confinement can be used to impose a controllable mesoscopic superstructure of predominantly mechanical elastic character. Due to an interplay of…

Soft Condensed Matter · Physics 2015-05-14 Yu-Hang Chui , Surajit Sengupta , Kurt Binder

We apply the model introduced in Phys. Rev. B 75, 064202 (2007), cond-mat/0610469, to calculate the anisotropy effect in the interaction of two level systems with phonons in disordered crystals. We particularize our calculations to cubic…

Disordered Systems and Neural Networks · Physics 2009-11-13 Dragoş-Victor Anghel , Dmitry Churochkin

Frustration in spin system can give rise to unique ordered states and as a consequence several physical phenomena are expected such as multiferroics, high temperature superconductors and anomalous hall effect. Here we report the "new…

Strongly Correlated Electrons · Physics 2018-08-01 GiBaik Sim , SungBin Lee

The dispersion relation of surface waves of a magnetic fluid in a magnetic field is studied experimentally. We verify the theoretically predicted existence of a non-monotonic dispersion relation. In particular, we demonstrate the existence…

patt-sol · Physics 2009-10-30 Thomas Mahr , Ingo Rehberg , Alexander Groisman

Rare-earth monopnictides are a family of materials simultaneously displaying complex magnetism, strong electronic correlation, and topological band structure. The recently discovered emergent arc-like surface states in these materials have…

Strongly Correlated Electrons · Physics 2023-09-14 Zengle Huang , Hemian Yi , Daniel Kaplan , Lujin Min , Hengxin Tan , Ying-ting Chan , Zhiqiang Mao , Binghai Yan , Cui-Zu Chang , Weida Wu

Strongly-interacting nanomagnetic arrays are finding increasing use as model host systems for reconfigurable magnonics. The strong inter-element coupling allows for stark spectral differences across a broad microstate space due to shifts in…

Mesoscale and Nanoscale Physics · Physics 2021-06-09 Jack C. Gartside , Alex Vanstone , Troy Dion , Kilian D. Stenning , Daan M. Arroo , Hide Kurebayashi , Will R. Branford

We investigate the instability toward a skyrmion crystal under an in-plane magnetic field in centrosymmetric tetragonal magnets. By performing the simulated annealing for a spin model on the square lattice, we find that the interplay among…

Strongly Correlated Electrons · Physics 2024-12-06 Satoru Hayami

The diversity of three-dimensional magnetic states in a FeGe nanocylinder is studied using micromagnetic simulations and off-axis electron holography in the transmission electron microscope. In particular, we report the observation of a…

The progress of magnonics ultimately depends on material platforms that offer precise control of spin waves propagation. Here, we put forward a chemical strategy to create locally tunable magnonic crystals by integrating switchable…

Materials Science · Physics 2025-12-22 Andrei Shumilin , Sourav Dey , Denisa Coltuneac , Laurentiu Stoleriu , José J. Baldoví

We calculate the magnon dispersion spectra of the two-dimensional zigzag van der Waals antiferromagnet NiPS$_3$ for monolayer, bilayer, and bulk systems as a function of an external magnetic field. We calculate the exchange and anisotropy…

We have investigated the spin wave modes of strongly dipolar coupled, highly anisotropic nanoislands forming square artificial spin ice system using micromagnetic simulation in MUMAX3 in combination with Matlab coding. Artificial spin ice…

Mesoscale and Nanoscale Physics · Physics 2024-06-12 Nimisha Arora , Pintu Das

We study the electrodynamics of spin triplet superconductors including dipolar interactions, which give rise to an interplay between the collective spin dynamics of the condensate and orbital Meissner screening currents. Within this theory,…

We report on the Fe17 high-spin molecular cluster and show that this system is an exemplification of nanostructured dipolar magnetism. Each Fe17 molecule, with spin S=35/2 and axial anisotropy as small as D=-0.02K, is the magnetic unit that…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. Evangelisti , A. Candini , A. Ghirri , M. Affronte , G. W. Powell , I. A. Gass , P. A. Wood , S. Parsons , E. K. Brechin , D. Collison , S. L. Heath

The large saturation magnetization in conventional dense moment ferromagnets offers flexible means of manipulating the ordered state through demagnetizing shape anisotropy fields but these dipolar fields, in turn, limit the integrability of…

The interaction between phonons and magnons is a widely developing topic, especially in the field of acoustic spintronics. To discuss this interaction, it is necessary to observe two different waves (acoustic and spin waves) with the same…

Materials Science · Physics 2024-04-23 M. Zdunek , S. Shekhar , S. Mielcarek , A. Trzaskowska