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Effect of the spin-involved interaction of electrons with impurity atoms or defects to the transport properties of a two-dimensional electron gas is described by using a simplifying two-component model. Components representing spin-up and…

Condensed Matter · Physics 2007-05-23 P. Seba , P. Exner , K. N. Pichugin , P. Streda

It is shown that the flow of electric current in an altermagnet results in the formation of a homogeneous electron spin orientation in the sample. The spin of the conduction electrons generated in altermagnets with $d$-wave spin-momentum…

Mesoscale and Nanoscale Physics · Physics 2025-03-18 L. E. Golub , L. Šmejkal

The interplay between charge and spin dynamics is at the heart of strongly correlated materials. Inspired by recent quantum simulation experiments, we develop a conserving diagrammatic method to describe the Fermi-Hubbard model for strong…

Spin transport properties of the one-dimensional Heisenberg antiferromagnetic spin systems for both $S=1/2$ and S=1 are studied by applying twisted boundary magnetic field. The spin current displays significantly different behavior of the…

Strongly Correlated Electrons · Physics 2009-11-11 Wei Zhuo , Xiaoqun Wang , Yupeng Wang

Spin-splitting antiferromagnets with spin-polarized band structures in momentum space have garnered intensive research attention due to their zero net magnetic moments, ultras fast spin dynamics as conventional antiferromagnets, and…

Materials Science · Physics 2025-01-07 Jianting Dong , Kun Wu , Meng Zhu , Fanxing Zheng , Xinlu Li , Jia Zhang

The effective interaction between the itinerant spin degrees of freedom in the paramagnetic phases of hole doped quantum Heisenberg antiferromagnets is investigated theoretically, based on the single-band t-J model on 1D lattice, at zero…

Strongly Correlated Electrons · Physics 2018-07-11 Suraka Bhattacharjee , Ranjan Chaudhury

On the basis of the Hubbard model, we present the formulation of antiferromagnetism in electron-doped cuprates using the fluctuation-exchange approach. Taking into account the spin fluctuations in combination with the impurity scattering…

Strongly Correlated Electrons · Physics 2011-11-09 Xin-Zhong Yan , Qingshan Yuan , C. S. Ting

The discovery of hidden spin polarization (HSP) in centrosymmetric nonmagnetic crystals, i.e., spatially distributed spin polarization originated from local symmetry breaking, has promised an expanded material pool for future spintronics.…

Materials Science · Physics 2023-01-04 Weizhao Chen , Mingqiang Gu , Jiayu Li , Panshuo Wang , Qihang Liu

The recent discovery of altermagnetism has demonstrated that spin-split electronic band structures can emerge in magnetic systems with zero net magnetization. In contrast, fully compensated ferrimagnetic (fFIM) systems remain far less…

Materials Science · Physics 2026-03-17 Jin-Yang Li , Yong-Kun Wang , Ying Zhang , Si Li , Wen-Li Yang

Spin-electronic devices are poised to become part of mainstream microelectronic technology .Downsizing them, however, faces the intrinsic difficulty that as ferromagnets become smaller, it becomes more difficult to stabilize their magnetic…

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…

We present a phenomenological theory for coupled spin-charge dynamics in magnetic van der Waals heterostructures. The system studied consists of a layered antiferromagnet inserted into a capacitive vdW heterostructure. It has been recently…

Mesoscale and Nanoscale Physics · Physics 2020-09-23 Avinash Rustagi , Abhishek Solanki , Yaroslav Tserkovnyak , Pramey Upadhyaya

Spin-split antiferromagnets have significance for antiferromagnetic (AFM) spintronics due to their momentum dependent spin polarization which can be exploited for the control and detection of the AFM order parameter. Here, we explore the…

Materials Science · Physics 2025-03-14 Himanshu Mavani , Kai Huang , Kartik Samanta , Evgeny Y. Tsymbal

A classical spin which is antiferromagnetically coupled to a system of strongly correlated conduction electrons is shown to exhibit unconventional real-time dynamics which cannot be described by Gilbert damping. Depending on the strength of…

Strongly Correlated Electrons · Physics 2016-09-19 Mohammad Sayad , Roman Rausch , Michael Potthoff

The microscopic basis for the stability of itinerant ferromagnetism in correlated electron systems is examined. To this end several routes to ferromagnetism are explored, using both rigorous methods valid in arbitrary spatial dimensions, as…

Strongly Correlated Electrons · Physics 2009-10-30 D. Vollhardt , N. Blümer , K. Held , M. Kollar , J. Schlipf , M. Ulmke

A semi-phenomenological approach to describe the evolution of Fermi surface (FS) and electronic structure with doping is presented which is based on the spin-fermion model. The doping is simulated by a frustration term in the spin…

Strongly Correlated Electrons · Physics 2007-05-23 A. F. Barabanov , R. Hayn , A. A. Kovalev , O. V. Urazaev , A. M. Belemouk

Altermagnetism, a new class of collinear compensated magnetic phase, has garnered tremendous interest because of its rich physics and promising applications. Physical models and verified material candidates for altermagnetism remain…

Strongly Correlated Electrons · Physics 2025-04-28 Xingchuan Zhu , Xingmin Huo , Shiping Feng , Song-Bo Zhang , Shengyuan A. Yang , Huaiming Guo

Spin-orbit (SO) interaction critically influences electron spin dynamics and spin transport in bulk semiconductors and semiconductor microstructures. This interaction couples electron spin to dc and ac electric fields. Spin coupling to ac…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Emmanuel I. Rashba

We study the evolution and distribution of non-equilibrium electron spin polarization in n-type semiconductors within the two-component drift-diffusion model in an applied electric field. Propagation of spin-polarized electrons through a…

Mesoscale and Nanoscale Physics · Physics 2010-10-12 Yuriy V. Pershin , Vladimir Privman
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