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Related papers: Orbital magnetism in axially deformed sodium clust…

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The coupling of spin and orbital degrees of freedom in the trilayer Sr4Ru3O10 sets a long-standing puzzle, due to the peculiar anisotropic coexistence of out-of-plane ferromagnetism and in-plane metamagnetism. Recently, the induced magnetic…

Strongly Correlated Electrons · Physics 2019-10-09 Filomena Forte , Lucia Capogna , Veronica Granata , Rosalba Fittipaldi , Antonio Vecchione , Mario Cuoco

Scanning-probe and wide-field magnetic microscopes based on Nitrogen-Vacancy (NV) centers in diamond have enabled remarkable advances in the study of biology and materials, but each method has drawbacks. Here, we implement an alternative…

Properties of low-energy (infra-red) quadrupole modes (LEQM) of multipolarity $+AFw-lambda+AFw-mu =$20, 21 and 22 in deformed sodium clusters are studied within the Kohn-Sham LDA RPA approach. Possible manifestations of LEQM in stimulated…

Atomic and Molecular Clusters · Physics 2007-05-23 V. O. Nesterenko , W. Kleinig , P. -G. Reinhard , D. S. Dolci

Spin non-collinearities in magnetic nanostructures arise from a variety of sources, including structural defects, finite-size effects, boundary or surface effects, Dzyaloshinskii-Moriya exchange coupling, and magnetic vortex formation.…

Applied Physics · Physics 2026-03-17 A. Michels , H. Kachkachi

This study investigates the interband conductivity for nodal line semimetals (NLSMs) in the presence of spin-orbit coupling (SOC) beyond the clean limit, where the disorder reshapes the transport properties. The SOC breaks spin degeneracy,…

Mesoscale and Nanoscale Physics · Physics 2026-03-03 Vivek Pandey , Monu , Pankaj Bhalla

Frustrated quantum magnets can host a variety of exotic spin excitations, including fractionalized spin excitations coupled to emergent gauge fields at deconfined quantum critical points (DQCPs) and chiral magnons in altermagnets. Here, we…

Strongly Correlated Electrons · Physics 2025-10-15 Hongyu Chen , Guijing Duan , Changle Liu , Yi Cui , Weiqiang Yu , Z. Y. Xie , Rong Yu

We performed high resolution diffraction and inelastic neutron scattering measurements of Mn_{12}-acetate. Using a very high energy resolution, we could separate the energy levels corresponding to the splitting of the lowest S multiplet.…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 I. Mirebeau , M. Hennion , H. Casalta , H. Andres , H. U. Güdel , A. V. Irodova , A. Caneschi

We consider the magnetostatic response to an external magnetic field of a crystal containing off-center ions, such as Li^+ in KCl and KBr or the apical oxygens O(A) in the LaSCO family of layered perovskites. Magnetic dipoles are deduced…

Materials Science · Physics 2007-05-23 Mladen Georgiev

The dynamics of ultrafast demagnetisation in 3$d$ magnets is complicated by the presence of both spin ${\v S}$ and orbital ${\v L}$ angular momentum, with the microscopic mechanism by which the magnetic moment is redistributed to the…

Materials Science · Physics 2021-09-01 J. K. Dewhurst , S. Shallcross , P. Elliott , S. Eisebitt , C. v. Korff Schmising , Sangeeta Sharma

The ground-state properties of the spin-1/2 antiferromagnetic Heisenberg model with spatially anisotropic couplings on a square lattice are investigated by a spin-rotation-invariant Green's-function approach and by Lanczos diagonalizations…

Strongly Correlated Electrons · Physics 2007-05-23 D. Ihle , C. Schindelin , A. Weisse , H. Fehske

It is demonstrated that the nearest neighbor Mn pair on the GaAs (001) surface has a lower energy for the [-110] direction comparing to the [110] case. According to the group theory and the Luttinger's method of invariants, this specific Mn…

Materials Science · Physics 2012-10-25 M. Birowska , C. Sliwa , J. A. Majewski , T. Dietl

We find unexpected low energy excitations of fully spin-polarized composite-fermion ferromagnets in the fractional quantum Hall liquid, resulting from a complex interplay between a topological order manifesting through new energy levels and…

Strongly Correlated Electrons · Physics 2011-11-10 U. Wurstbauer , S. S. Mandal , D. Majumder , I. Dujovne , T. D. Rhone , B. S. Dennis , A. F. Rigosi , J. K. Jain , A. Pinczuk , K. W. West , L. N. Pfeiffer

The magnetization reversal in a single molecular magnet (SMM) weakly coupled to an electrode with spin-dependent splitting of chemical potentials (spin bias) is theoretically investigated by means of the rate equation. A microscopic…

Mesoscale and Nanoscale Physics · Physics 2009-05-14 Hai-Zhou Lu , Bin Zhou , Shun-Qing Shen

We propose a new mechanism for surface-induced magnetic anisotropy to explain the thickness-dependence of the Kondo resistivity of thin films of dilute magnetic alloys. The surface anisotropy energy, generated by spin-orbit coupling on the…

Strongly Correlated Electrons · Physics 2009-11-11 L. Szunyogh , G. Zarand , S. Gallego , M. C. Munoz , B. L. Gyorffy

Spin-orbit coupling (SOC) is expected to partly determine the topologically nontrivial electronic structure of heavy half-Heusler ternary compounds. However, to date, attempts to experimentally observe either the strength of SOC or how it…

Strongly Correlated Electrons · Physics 2016-03-01 Xiaoming Zhang , Zhipeng Hou , Yue Wang , Guizhou Xu , Chenglong Shi , EnKe Liu , Xuekui Xi , Wenhong Wang , Guangheng Wu , Xi-xiang Zhang

The impact of magnetic anisotropy on the skyrmion lattice (SkL) state in cubic chiral magnets has been overlooked for long, partly because a semi-quantitative description of the thermodynamically stable SkL phase pocket forming near the…

We present a microscopic model for nanoparticles, of the maghemite ($\gamma $% -Fe$_{2}$O$_{3}$) type, and perform classical Monte Carlo simulations of their magnetic properties. On account of M\"{o}ssbauer spectroscopy and high-field…

Materials Science · Physics 2009-10-31 H. Kachkachi , A. Ezzir , M. Nogues , E. Tronc

The influence of surface anisotropy on the magnetization processes of maghemite nanoparticles with ellipsoidal shape is studied by means of Monte Carlo simulations. Radial surface anisotropy is found to favor the formation of hedgehog-like…

Materials Science · Physics 2007-05-23 Oscar Iglesias , Amilcar Labarta

Spins in molecular magnets can experience both anisotropic exchange interactions and on-site magnetic anisotropy. In this paper we study the effect of exchange anisotropy on the molecular magnetic anisotropy both with and without on-site…

Materials Science · Physics 2018-12-12 Sumit Haldar , Rajamani Raghunathan , Jean-Pascal Sutter , S. Ramasesha

Traditional view of the anomalous Hall effect~(AHE) in ferromagnets is that it arises from the magnetization perpendicular to the measurement plane and that there is a linear dependence on the latter. Underlying such a view is the thinking…

Materials Science · Physics 2024-08-19 Zheng Liu , Mengjie Wei , Dazhi Hou , Yang Gao , Qian Niu
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