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Related papers: Noncollinear exchange interaction in transition me…

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Skyrmions refer to small swirling spin structures that emerge in ferromagnetic materials and show promising features to be used as a `bit' of information in future spintronic devices. Our research explores the possibility of nucleating…

Materials Science · Physics 2024-12-31 Tamali Mukherjee , Banasree Sadhukhan , V Satya Narayana Murthy

Interfacial Dzyaloshinskii-Moriya interaction (IF-DMI) leads to non-collinear spin configurations within the magnetic layers of multilayer heterostructures, while its interlayer counterpart (IL-DMI) minimizes chiral states between the…

Mesoscale and Nanoscale Physics · Physics 2024-11-25 Elena Y. Vedmedenko , Mikhail Kostylev

In Mott insulators with a half-filled $t_{2g}$ shell the Hund's rule coupling induces a spin-3/2 orbital-singlet ground state. The spin-orbit interaction is not expected to qualitatively impact low-energy degrees of freedom in such systems.…

Strongly Correlated Electrons · Physics 2023-08-28 Leonid V. Pourovskii

We develop a microscopic theory of multipole interactions and orderings in 5$d^2$ transition metal ion compounds. In a cubic environment, the ground state of 5$d^2$ ions is a non-Kramers $E_g$ doublet, which is nonmagnetic but hosts…

Strongly Correlated Electrons · Physics 2021-08-25 Giniyat Khaliullin , Derek Churchill , P. Peter Stavropoulos , Hae-Young Kee

Magnetic impurities embedded in a metal interact via an effective Ruderman-Kittel-Kasuya-Yosida (RKKY) coupling mediated by the conduction electrons, which is commonly assumed to be long ranged, with an algebraic decay in the inter-impurity…

Strongly Correlated Electrons · Physics 2015-03-05 Andrew Allerdt , C. A. Busser , G. B. Martins , A. E. Feiguin

We study the effect of Dzyaloshinskii-Moriya (DM) interaction on the triangular lattice $U(1)$ quantum spin liquid (QSL) which is stabilized by ring-exchange interactions. A weak DM interaction introduces a staggered flux to the $U(1)$ QSL…

Strongly Correlated Electrons · Physics 2021-09-22 Qi-Rong Zhao , Zheng-Xin Liu

We theoretically consider two-dimensional moir\'e transition metal dichalcogenide (TMD) bilayers, which are strongly correlated in the sense that the on-site Coulomb interaction is comparable to or larger than the hopping kinetic energy…

Strongly Correlated Electrons · Physics 2022-01-20 Haining Pan , Sankar Das Sarma

We study the nonequilibrium effects of spin and/or electric currents on the helical indirect exchange interactions of local spins that embedded in general open electronic systems. Especially, besides the synthesized anisotropic Heisenberg…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Tingting Liu , Jie Ren , Peiqing Tong

The kagom\'e lattice exhibits peculiar magnetic properties due to its strongly frustated cristallographic structure, based on corner sharing triangles. For nearest neighbour antiferromagnetic Heisenberg interactions there is no Neel…

Strongly Correlated Electrons · Physics 2009-11-07 Maged Elhajal , Benjamin Canals , Claudine Lacroix

A microscopic model of indirect exchange interaction between transition metal impurities in dilute magnetic semiconductors (DMS) is proposed. The hybridization of the impurity d-electrons with the heavy hole band states is largely…

Strongly Correlated Electrons · Physics 2009-11-10 P. M. Krstajic , F. M. Peeters , V. A. Ivanov , V. Fleurov , K. Kikoin

It has been theoretically demonstrated that two spins (qubits or qutrits), coupled by exchange interaction only, undergo a coupling-based joint Landau-Majorana-St\"uckelberg-Zener (LMSZ) transition when a linear ramp acts upon one of the…

Quantum Physics · Physics 2020-07-29 Roberto Grimaudo , Hiromichi Nakazato , Antonino Messina , Nikolay V. Vitanov

Quantum spin Hall insulators (QSHIs) are promising for spintronics, leveraging strong spin-orbit coupling for efficient spin manipulation via electrical and optical methods, with potential applications in memory storage, quantum computing,…

Mesoscale and Nanoscale Physics · Physics 2025-01-28 Mohsen Yarmohammadi , Saeed Rahmanian Koshkaki , Jamal Berakdar , Marin Bukov , Michael H. Kolodrubetz

The transition from the microscopic Heisenberg model to the macroscopic elastic theory is carried out for the chiral magnetics of MnSi-type with the B20 crystal structure. Both exchange and Dzyaloshinskii-Moriya (DM) interactions are taken…

Strongly Correlated Electrons · Physics 2013-12-16 Viacheslav A. Chizhikov , Vladimir E. Dmitrienko

Antisymmetric Dzyaloshinskii-Moriya (DM) interactions generating from the spin-orbit coupling induce various fascinating properties, like magnetoelectric (ME) effect, weak ferromagnetism and non-trivial topological spin textures like…

Materials Science · Physics 2022-03-09 Hena Das

We propose a new route to generate an interband Dzyaloshinskii-Moriya interaction in metals from solely microscopic perspective. The system consists of conduction band electrons in the presence of the Rashba spin-orbit coupling which are…

Strongly Correlated Electrons · Physics 2024-12-03 Fırat Yılmaz

We present a comprehensive theoretical analysis of magnetic heterostructures composed of ferromagnetic (FM) layers interfaced with three-dimensional topological insulators (TIs). Integrating out the topological surface states and computing…

Mesoscale and Nanoscale Physics · Physics 2026-01-13 Christian Svingen Johnsen , Asle Sudbø

A spin-wave theory that includes the antisymmetric Dzyaloshinskii-Moriya exchange interactions and long-range dipole-dipole interactions is presented for finite-length ferromagnetic spin chains. It is found that three different physical…

Mesoscale and Nanoscale Physics · Physics 2024-05-03 Bushra Hussain , Michael Cottam

Magnetic interactions underpin a plethora of magnetic states of matter, hence playing a central role both in fundamental physics and for future spintronic and quantum computation devices. The Dzyaloshinskii-Moriya interaction, being chiral…

Mesoscale and Nanoscale Physics · Physics 2019-08-19 Sascha Brinker , Manuel dos Santos Dias , Samir Lounis

Interesting magnetic properties and spin-exchange interactions along various possible pathways in half-integral spin quantum magnetic tetramer system: A$_{2}$PO$_{4}$OH (A = Co, Cu) are investigated. Interplay of structural distortion and…

Materials Science · Physics 2015-06-05 Debjani Karmakar , J. V. Yakhmi

The magnetic properties of materials based on two-dimensional transition-metal dichalcogenides (TMDC) have been investigated by means of first-principles DFT calculations, namely Fe-intercalated bulk Fe$_{1/4}$TaS$_2$ compounds as well as…

Materials Science · Physics 2016-04-20 S. Polesya , S. Mankovsky , D. Ködderitzsch , W. Bensch , H. Ebert