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Related papers: Spin-Electric Coupling in Molecular Magnets

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The separate and combined influences of the spin-orbit and electron-electron interactions on the electron magnetization in quantum rings have been studied theoretically on the basis of the spin-density-functional theory and the Kohn-Sham…

Mesoscale and Nanoscale Physics · Physics 2013-09-23 O. S. Bauzha

Photoirradiation effects in correlated electrons coupled with localized spins are studied based on the extended double-exchange model. In particular, we examine melting of an antiferromagnetic (AFM) charge order insulating state by varying…

Strongly Correlated Electrons · Physics 2020-05-20 Jun Ohara , Yu Kanamori , Sumio Ishihara

Electrical control of spins at the nanoscale offers significant architectural advantages in spintronics, because electric fields can be confined over shorter length scales than magnetic fields. Thus, recent demonstrations of electric-field…

Mesoscale and Nanoscale Physics · Physics 2021-10-15 Junjie Liu , Jakub Mrozek , Aman Ullah , Yan Duan , José J. Baldoví , Eugenio Coronado , Alejandro Gaita-Ariño , Arzhang Ardavan

We show that an electric field can induce nonreciprocal spin wave dispersion in magnetic insulators with negligible spin-orbit coupling. The electric field controls the direction and magnitude of nonreciprocity through a nonlinear…

Strongly Correlated Electrons · Physics 2025-07-15 Xiao-Hui Li , Yuan-Ming Lu , Yuan Wan

In antiferromagnets, the interplay of spin frustration and spin-lattice coupling has been extensively studied as the source of complex spin patterns and exotic magnetism. Here, we demonstrate that, although neglected in the past, the…

The influence of the spin-orbit coupling on the magnetic structure of deposited transition metal nanostructure systems has been studied by fully relativistic electronic structure calculations. The interplay of exchange coupling and magnetic…

Materials Science · Physics 2009-02-20 S. Mankovsky , S. Bornemann , J. Minár , S. Polesya , H. Ebert , J. B. Staunton , A. I. Lichtenstein

We have investigated the origin of the magnetic dipole correlations $\langle \sigma_{\boldsymbol{Q}}^z \sigma_{\boldsymbol{-Q}}^z \rangle$ characterized by the modulation wave vector $\boldsymbol{k} \sim…

Strongly Correlated Electrons · Physics 2022-02-09 Hiroaki Kadowaki , Mika Wakita , Björn Fåk , Jacques Ollivier , Seiko Ohira-Kawamura

In this paper we investigate the spin-resolved thermoelectric properties of strongly correlated molecular junctions in the linear response regime. The magnetic molecule is modeled by a single orbital level to which the molecular core spin…

Mesoscale and Nanoscale Physics · Physics 2021-05-25 Anand Manaparambil , Ireneusz Weymann

We theoretically describe a mechanism of low-field linear magnetoconductivity in helical magnetic metals. Two ingredients for the mechanism in three-dimensional metals are identified to be the spin-orbit coupling and momentum-dependent…

Mesoscale and Nanoscale Physics · Physics 2022-09-28 Vladimir A. Zyuzin

When the material phases exhibit topological quantum numbers, they host defects protected by the nontrivial topology. Magnetic skyrmions are such ``quantized" objects and although many of them are metals they had been most likely treated in…

Strongly Correlated Electrons · Physics 2024-05-10 Ryo Makuta , Chisa Hotta

Modern magnetic thin film devices owe their success in large part to effects emerging from interlayer coupling and exchange interaction at interfaces. A prominent example is exchange bias (EB), a magnetic coupling phenomenon found in…

Materials Science · Physics 2009-12-15 Sebastian Brück , Patrick Audehm , Gisela Schütz , Eberhard Goering

Scanning tunneling microscopy (STM) can be used to detect inelastic spin transitions in magnetic nano-structures comprising only a handful of atoms. Here we demonstrate that STM can uniquely identify the electrostatic spin crossover effect,…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Aaron Hurley , Nadjib Baadji , Stefano Sanvito

The magneto-electrocaloric effect which can be defined as the coupling between magnetocaloric and electrocaloric effects attracts currently considerable attention due to the advantages provided by the caloric effect in designing solid-state…

We show that the origin of the antiferromagnetic coupling in spin-1 triangulene chains, which were recently synthesized and measured by Mishra et al. Nature 598, 287-292 (2021) originates from a superexchange mechanism. This process,…

Focusing on the efficient probe and manipulation of single-particle spin states, we investigate the coupled spin and orbital dynamics of a spin 1/2 particle in a harmonic potential subject to ultrastrong spin-orbit interaction and external…

Mesoscale and Nanoscale Physics · Physics 2014-01-21 C. Echeverria-Arrondo , E. Ya. Sherman

Long-range interactions can qualitatively reorganize correlated-electron ground states. In the square-lattice Hubbard model, on-site repulsion produces antiferromagnetic spin and charge stripes upon doping. We show that including a…

Strongly Correlated Electrons · Physics 2026-03-16 Chunhan Feng , Miguel A. Morales , Shiwei Zhang

Less common ligand coordination of transition-metal centers is often associated with peculiar valence-shell electron configurations and outstanding physical properties. One example is the Fe$^+$ ion with linear coordination, actively…

Strongly Correlated Electrons · Physics 2020-11-20 R. Murugesan , M. S. Eldeeb , M. Yehia , B. Büchner , V. Kataev , O. Janson , L. Hozoi

We study spin-dependent diffusive transport in the presence of a tunable spin-orbit (SO) interaction in a two-dimensional electron system. The spin precession of an electron in the SO coupling field is expressed in terms of a covariant…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Yaroslav Tserkovnyak , Shimul Akhanjee

We propose a model of magneto-electric effect in doped magnetic ferroelectrics. This magneto-electric effect does not involve the spin-orbit coupling and is based purely on the Coulomb interaction. We calculate magnetic phase diagram of…

Materials Science · Physics 2018-01-11 O. G. Udalov , I. S. Beloborodov

We investigate a possibility of pair electron-electron e-e collisions in a ballistic wire with spin-orbit coupling and only one populated mode. Unlike in a spin-degenerate system, a combination of spin-splitting in momentum space with a…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 V. S. Khrapai , K. E. Nagaev