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The static and dynamic magnetic properties of an $S=1/2$ stacked triangular antiferromagnet RbCuCl$_{3}$ with a helical spin structure due to lattice distortion were investigated by susceptibility, high-field magnetization process and ESR…

Strongly Correlated Electrons · Physics 2009-10-31 S. Maruyama , H. Tanaka , Y. Narumi , K. Kindo , H. Nojiri , M. Motokawa , K. Nagata

High-resolution ac susceptibility and thermal conductivity measurement on Cu2Te2O5X2(X=Br,Cl) single crystals are reported. For Br-sample, sample dependence prevents to distinguish between possibilities of magnetically ordered and…

Strongly Correlated Electrons · Physics 2009-11-10 M. Prester , A. Smontara , I. Zivkovic , A. Bilusic , D. Drobac , H. Berger , F. Bussy

Spin-orbit coupling (SOC) gives rise to complex magnetic states such as spin liquids, skyrmion crystals, and topological spin-wave excitations. We consider exchange interactions in multi-orbital Mott insulators where SOC is strong on ligand…

Strongly Correlated Electrons · Physics 2026-03-23 Evgenii Barts , Paolo Barone , Maxim Mostovoy

Properties of trivalent cobalt oxide compounds are largely influenced by the spin state of the six 3d electrons at each Co site. High-spin Co3+ ions, where orbital angular momentum is only partially quenched, often exhibit significant…

Strongly Correlated Electrons · Physics 2025-09-15 Kamini Gautam , Shunsuke Kitou , Yuiga Nakamura , Arvind Kumar Yogi , Dinesh Kumar Shukla , Taka-hisa Arima

We investigate the spin excitation spectra in chiral and polar magnets by the linear spin-wave theory for an effective spin model with symmetric and antisymmetric long-range interactions. In one dimension, we obtain the analytic form of the…

Strongly Correlated Electrons · Physics 2021-12-09 Yasuyuki Kato , Satoru Hayami , Yukitoshi Motome

{\alpha}-phase Ruthenium (III) chloride ({\alpha}-RuCl3) has attracted significant attention because of its potential for realizing Kitaev quantum spin liquid. In this work, we employ first-principles many-body perturbation theory to study…

Materials Science · Physics 2025-07-08 Du Li , Li Yang

Three different CrNi2 complexes were synthesized. They differ from each other by the nature of the terminal ligand and of the counter anion : [Cr(CN)4[CN-Ni(tetren)]2]Cl, that crystallizes in two different crystallographic systems and…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 Raluca Tiron , Wolfgang Wernsdorfer , Fabien Tuyeras , Ariane Scuiller , Valerie Marvaud , Michel Verdaguer

The mechanical properties of magnetic materials are instrumental for the development of the magnetoelastic theory and the optimization of strain-modulated magnetic devices. In particular, two-dimensional (2D) magnets hold promise to enlarge…

On the basis of density functional theory electronic band structure calculations using the augmented spherical wave method, the electronic and magnetic properties of the orthorhombic and tetragonal phases of Ca3Mn2O7 were investigated and…

Materials Science · Physics 2007-08-02 S. F. Matar , V. Eyert , A. Villesuzanne , M. -H. Whangbo

Frustrated triangular molecular magnets are a very important class of magnetic molecules since the absence of inversion symmetry allows an external electric field to couple directly with the spin chirality that characterizes their ground…

Mesoscale and Nanoscale Physics · Physics 2023-06-14 J. F. Nossa , M. F. Islam , Mark R. Pederson , C. M. Canali

The electronic structure and magnetic properties of CaCr$\mathrm{O}_3$ have been calculated by two methods, including hybrid-exchange density-function theory and density-functional theory + $U$. The computed densities of states from both of…

Strongly Correlated Electrons · Physics 2015-05-13 Wei Wu

Using a combination of density functional theory (DFT) and spin-wave theory methods, we investigate the magnetic interactions and spin excitations in semiconducting VI$_3$. Exchange parameters of monolayer, bilayer, and bulk forms are…

Materials Science · Physics 2021-09-24 Elijah Gordon , V. V. Mkhitaryan , Haijun Zhao , Y. Lee , Liqin Ke

We explore the control and switching of the entangled spin states of multi-spin particle qubit coupled to an electron using a three-particle spin model described by $S_i$ ($i=1,2,3$), in which $S_1=\tfrac{1}{2}$ is an electron and $S_{2,3}$…

Quantum Physics · Physics 2022-07-18 Eric D. Switzer , Xiao-Guang Zhang , Talat S. Rahman

Chirality in solid-state materials has sparked significant interest due to potential applications of topologically-protected chiral states in next-generation information technology. The electrical magneto-chiral effect (eMChE), arising from…

van der Waals heterostructures consisting of transition metal dichalcogenides (TMDs) and two-dimensional (2D) magnets offer a versatile platform to study the coexistence and transformation of different excitons. By focusing on TMD WSe$_2$…

Materials Science · Physics 2025-09-29 Mushir Thodika , Dimitar Pashov , Igor Zutic , Mark van Schilfgaarde , Swagata Acharya

Neutron inelastic scattering measurements have been performed in order to investigate the magnetic excitations in the quasi-1D Ising-like antiferromagnet TlCoCl$_3$. We observed the magnetic excitation, which corresponds to the spin-wave…

Strongly Correlated Electrons · Physics 2015-06-25 A. Oosawa , Y. Nishiwaki , T. Kato , K. Kakurai

Exact-diagonalization calculations for N=3 electrons in anisotropic quantum dots, covering a broad range of confinement anisotropies and strength of inter-electron repulsion, are presented for zero and low magnetic fields. The excitation…

Mesoscale and Nanoscale Physics · Physics 2008-01-03 Yuesong Li , Constantine Yannouleas , Uzi Landman

We present a methodology for probing the details of electronic susceptibility through minimally-invasive nuclear magnetic resonance techniques. Specifically, we classify electron-mediated long-range interactions in an ensemble of nuclear…

Strongly Correlated Electrons · Physics 2022-08-17 Stephen Carr , Charles Snider , D. E. Feldman , Chandrasekhar Ramanathan , J. B. Marston , V. F. Mitrović

Magnetic skyrmions are nano-scale spin structures that are promising for ultra-dense memory and logic devices. Recent progresses in two-dimensional magnets encourage the idea to realize skyrmionic states in freestanding monolayers. However,…

Materials Science · Physics 2020-02-19 Changsong Xu , Junsheng Feng , Hongjun Xiang , L. Bellaiche

Entanglement of spin and orbital degrees of freedom, via relativistic spin-orbit coupling, in 4$d$ transition metal oxides can give rise to a variety of novel quantum phases. A previous study of mixed 3$d$-4$d$ quasi-1D spin-chain oxide…

Strongly Correlated Electrons · Physics 2025-02-10 A. Jain , D. T. Adroja , S. Rayaprol , A. D. Hillier , W. Kockelmann , S. M. Yusuf , E. V. Sampathkumaran
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