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Nonrelativistic spin splitting (NRSS) challenges conventional wisdom about antiferromagnets by allowing spin-split electronic bands even in collinear orders with zero net magnetization. This sub-class of antiferromagnets, recently dubbed…

The occurrence of a finite mismatch between the up and down spin energy channels due to the application of an electric field, leading to the generation of a polarized spin current from an unpolarized beam in antiferromagnetic materials, has…

Mesoscale and Nanoscale Physics · Physics 2025-11-19 Suparna Sarkar , Santanu K. Maiti

Spin-band splitting is a hallmark of altermagnetism, intrinsically linked to magnetic ordering driven by electron correlations. However, recent inconsistencies in the detection of altermagnetism in strongly correlated altermagnet candidates…

Strongly Correlated Electrons · Physics 2026-05-15 Byungkyun Kang , Anderson Janotti , Dai Q. Ho , Myoung-Hwan Kim , Chul Hong Park , Sangkook Choi , Mark R. Pederson , Eunja Kim

Instability of the excitation spectrum of an ordered noncollinear Heisenberg antiferromagnet (AF) with respect to spontaneous two-magnon decays is investigated. We use a spin-1/2 AF on a triangular lattice as an example and examine the…

Strongly Correlated Electrons · Physics 2007-05-23 A. L. Chernyshev , M. E. Zhitomirsky

Antiferromagnet materials have recently gained renewed interest due to their possible use in spintronics technologies, where spin transport is the foundation of their functionalities. In that respect metallic antiferromagnets are of…

Strongly Correlated Electrons · Physics 2020-08-11 Saima A. Siddiqui , Joseph Sklenar , Kisung Kang , Matthew J. Gilbert , André Schleife , Nadya Mason , Axel Hoffmann

One of the main obstacles that prevents practical applications of antiferromagnets is the difficulty of manipulating the magnetic order parameter. Recently, following the theoretical prediction [J. \v{Z}elezn\'y et al., PRL 113, 157201…

In this brief account, we shall review the different mechanisms giving rise to itinerant and localized antiferromagnetism in quasi-one-dimensional organic conductors: the Bechgaard salts and their sulfur analogs. We will then focus on the…

Strongly Correlated Electrons · Physics 2007-05-23 C. Bourbonnais

We investigate how to engineer an antisymmetric spin-split band structure under spin density waves with finite ordering wave vectors in centrosymmetric systems without the relativistic spin-orbit coupling. On the basis of a perturbative…

Strongly Correlated Electrons · Physics 2022-03-04 Satoru Hayami

Altermagnets exhibit momentum-dependent spin splitting despite having zero net magnetization. This enables a spin-splitter effect in which an external electric field generates transverse spin currents by separating oppositely polarized…

Mesoscale and Nanoscale Physics · Physics 2026-02-27 Sanjay Sarkar , Sayan Sarkar , Amit Agarwal

Antiferromagnetic and ferro/ferrimagnetic orders are typically exclusive in nature, thus, their co-existence in atomic-scale proximity is expected only in heterostructures. Breaking this paradigm and broadening the range of unconventional…

Fully-compensated ferrimagnets exhibit zero net magnetic moment yet display non-relativistic global spin splitting, making them highly advantageous for constructing high-performance spintronic devices. The general strategy is to break the…

Materials Science · Physics 2025-07-16 San-Dong Guo , Shaobo Chen , Guangzhao Wang

Magnetic or electrical manipulation of electronic spin is elementary for spin-based logic, computing, and memory, where the latter is a low-power manipulation scheme. Rashba-like spin splittings stemming from spin-orbit interaction (SOI)…

Materials Science · Physics 2025-12-19 Longju Yu , Hong Jian Zhao , Laurent Bellaiche , Yanming Ma

Elastic and inelastic neutron scattering studies reveal details of the antiferromagnetic tansition and intriguing spin-dynamics in the magneto-electric effect single crystal LiMnPO$_4$. The elastic scattering studies confirm the system is…

Strongly Correlated Electrons · Physics 2015-05-13 Jiying Li , Wei Tian , Ying Chen , Jerel L. Zarestky , Jeffrey W. Lynn , David Vaknin

A possibility of the uniform antiferromagnetic order is pointed out in an S=1/2 ferromagnetic (F) - antiferromagnetic (AF) random alternating Heisenberg quantum spin chain compound: (CH_3)_2 CHNH_3 Cu(Cl_x Br_{1-x})_3. The system possesses…

Statistical Mechanics · Physics 2009-11-07 Tota Nakamura

Magnetoelectric multiferroics are highly sought after for applications in low-power electronics and for advancing fundamental research, including axion insulators and dark matter detection. However, achieving a combination of ferroic spin…

Materials Science · Physics 2024-12-02 Libor Šmejkal

Altermagnets are a novel class of fully spin-compensated magnetic materials that nevertheless have spin-split electronic bands, offering novel perspectives for spintronics applications. Based on a rigorous analysis of altermagnetic…

Lattice stability in a model of antiferromagnetic ring coupled to adiabatic phonons is investigated for different values of the spin and numbers of magnetic sites. The magneto-elastic transition is shown to be heavily affected by the spin…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 L. Spanu , A. Parola

The stressed heterojunctions with antiferromagnetic ordering in which the constituents have oppposite band edge symmetry and their gaps have opposite signs have been investigated. The interface states have been shown to appear in these…

Condensed Matter · Physics 2007-05-23 V. G. Kantser , N. M. Malkova

There are two views of antiferromagnets. The first proceeds from atomic physics, which predicts that atoms with unpaired electrons develop magnetic moments. In a solid, the coupling between moments on nearby ions then yields…

Strongly Correlated Electrons · Physics 2009-10-31 A. Schroder , G. Aeppli , R. Coldea , M. Adams , O. Stockert , H. v. Lohneysen , E. Bucher , R. Ramazashvili , P. Coleman

The antiferromagnet is a closed Hermitian system, we find that its excitations, even in the absence of dissipation, can be viewed as a non-Hermitian system with dissipative coupling. Consequently, the antiferromagnetic resonance spectrum…

Mesoscale and Nanoscale Physics · Physics 2021-11-19 Yutian Wang , Jiang Xiao