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Related papers: Coupling magneto-elastic Lagrangians to spin trans…

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Spintronics is the generic term that describes magnetic systems coupled to an electric generator, taking into account the spin attached to the charge carriers. For this topical review of {\it Spin Caloritronics}, we focus our attention on…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 J. -E. Wegrowe

Electric field-induced magnetization switching in multiferroics is intriguing for both fundamental studies and potential technological applications. Here, we review the recent developments on electric field-induced magnetization switching…

Mesoscale and Nanoscale Physics · Physics 2017-06-12 Kuntal Roy

We present theoretical description of the precessional switching processes induced by simultaneous application of spin-polarized current and external magnetic field to antiferromagnetic component of the "pinned" layer. We found stability…

Other Condensed Matter · Physics 2013-05-29 Helen V. Gomonay , Vadim M. Loktev

The electric manipulation of antiferromagnets has become an area of great interest recently for zero-stray-field spintronic devices, and for their rich spin dynamics. Generally, the application of antiferromagnetic media for information…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 Muftah Al-Mahdawi , Satya Prakash Pati , Yohei Shiokawa , Shujun Ye , Tomohiro Nozaki , Masashi Sahashi

Spin-polarized electron transport driven by inhomogeneous magnetic dynamics is discussed in the limit of a large exchange coupling. Electron spins rigidly following the time-dependent magnetic profile experience spin-dependent fictitious…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Yaroslav Tserkovnyak , Matthew Mecklenburg

We investigate the magnetism in tilted fermionic Mott insulators. With a small tilt, the fermions are still localized and form a Mott-insulating state, where the localized spins interact via antiferromagnetic exchange coupling. While the…

Quantum Gases · Physics 2025-11-26 Kazuaki Takasan , Masaki Tezuka

We have studied the spin structure of circular four-electron quantum rings using tunable confinement potentials. The calculations were done using the exact diagonalization method. Our results indicate that ringlike systems can have…

Mesoscale and Nanoscale Physics · Physics 2013-06-25 G. Bårdsen , E. Tölö , A. Harju

The thermal entanglement in a two-spin-qutrit system with two spins coupled by exchange interaction under a magnetic field in an arbitrary direction is investigated. Negativity, the measurement of entanglement, is calculated. We find that…

Quantum Physics · Physics 2011-02-19 Guo-Feng Zhang , Shu-Shen Li

We derive higher-order corrections in the magnon dispersion relations for two- and three-dimensional antiferromagnets exposed to magnetic and staggered fields that are mutually aligned. "Dressing" the magnons is the prerequisite to separate…

Strongly Correlated Electrons · Physics 2020-09-22 Christoph P. Hofmann

We developed a method which performs the coupled adiabatic spin and lattice dynamics based on the tight-binding electronic structure model, where the intrinsic magnetic field and ionic forces are calculated from the converged…

We use quantum Monte Carlo to determine the magnetic and transport properties of coupled square lattice spin and fermionic planes as a model for a metal-insulator interface. Specifically, layers of Ising spins with an intra-layer exchange…

Strongly Correlated Electrons · Physics 2015-07-17 R. Mondaini , T. Paiva , R. T. Scalettar

A wide variety of experimental results and theoretical investigations in recent years have convincingly demonstrated that several transition metal oxides and other materials, have dominant states that are not spatially homogeneous. This…

Strongly Correlated Electrons · Physics 2009-11-11 Elbio Dagotto

In $d$-electron systems, there can also be intricate interplay between Kondo coupling and magnetic interactions as that in $f$-electron systems, but the underlying mechanism remains elusive. Here, using inelastic neutron scattering, we…

This work examines the effects of magnetic frustration due to competing ferromagnetic and antiferromagnetic Heisenberg interactions on the spin dynamics of the double-exchange model. When the local moments are non-colinear, a charge-density…

Strongly Correlated Electrons · Physics 2009-11-10 R. S. Fishman

The growing library of two-dimensional layered materials is providing researchers with a wealth of opportunity to explore and tune physical phenomena at the nanoscale. Here, we review the experimental and theoretical state-of-art concerning…

Materials Science · Physics 2016-11-23 Bálint Náfrádi , Mohammad Choucair , László Forró

Soft elastic composite materials containing particulate rigid inclusions in a soft elastic matrix are candidates for developing soft actuators or tunable damping devices. The possibility to reversibly drive the rigid inclusions within such…

Colloidal magnetic particles embedded in an elastic polymer matrix constitute a smart material called ferrogel. It responds to an applied external magnetic field by changes in elastic properties, which can be exploited for various…

Soft Condensed Matter · Physics 2016-10-07 Peet Cremer , Hartmut Löwen , Andreas M. Menzel

Finite-temperature micromagnetics simulations are employed to study the magnetization-switching dynamics driven by a field applied at an angle to the long axis of an iron nanopillar. A bi-modal distribution in the switching times is…

Statistical Mechanics · Physics 2015-05-13 S. H. Thompson , G. Brown , P. A. Rikvold , M. A. Novotny

This study investigates the complex nonlinear coupling of magnetic gears arranged in proximity on a plane. Acknowledging the rich array of geometric and electromagnetic parameters involved, we initiate our exploration with a simplified…

Classical Physics · Physics 2024-10-11 Tianchi Liu

The non-equilibrium spin dynamics of a one-dimensional system of repulsively interacting fermions is studied by means of density-matrix renormalization-group simulations. We focus on the short-time decay of the oscillation amplitudes of the…

Strongly Correlated Electrons · Physics 2012-06-20 Sebastiano Peotta , Davide Rossini , Pietro Silvi , G. Vignale , Rosario Fazio , Marco Polini