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By performing density functional theory (DFT) and Green's functions calculations, complemented by X-ray Photoemission Spectroscopy, we investigate the electronic structure of Fe/GeTe(111), a prototypical ferromagnetic/Rashba-ferroelectric…

The interplay between electronic eigenstates, spin, and orbital degrees of freedom, combined with fundamental breaking of symmetries is currently one of the most exciting fields of research. Multiferroics such as (GeMn)Te fulfill these…

The realization of 100\% polarized topological Weyl fermions in half-metallic ferromagnets is of particular importance for fundamental research and spintronic applications. Here, we theoretically investigate the electronic and topological…

Materials Science · Physics 2024-03-06 Xianyong Ding , Xin Jin , Haoran Wei , Ruixiang Zhu , Xiaoliang Xiao , Xiaozhi Wu , Fangyang Zhan , Rui Wang

We present theoretical studies of the influence of spin orbit coupling on the spin wave excitations of the Fe monolayer and bilayer on the W(110) surface. The Dzyaloshinskii-Moriya interaction is active in such films, by virtue of the…

Mesoscale and Nanoscale Physics · Physics 2010-10-19 A. T. Costa , R. B. Muniz , S. Lounis , A. B. Klautau , D. L. Mills

Spin-orbit coupling is an important ingredient in many recently discovered phenomena such as the spin-Hall effect and topological insulators. Of particular interest is topological superconductivity, with its potential application in…

Quantum Gases · Physics 2011-04-28 Jay D. Sau , Rajdeep Sensarma , Stephen Powell , I. B. Spielman , S. Das Sarma

In a two-dimensional ferromagnetic metal layer lacking inversion symmetry, the itinerant electrons mediate the interaction between the Rashba spin-orbit interaction and the ferromagnetic order parameter, leading to a Rashba spin torque…

Materials Science · Physics 2011-11-24 Xuhui Wang , Aurelien Manchon

Ferroelectric Rashba semiconductors (FERSC), in which Rashba spin-splitting can be controlled and reversed by an electric field, have recently emerged as a new class of functional materials useful for spintronic applications. The…

Graphynes represent an emerging family of carbon allotropes that recently attracted much interest due to the tunability of the Dirac cones in the band structure. Here, we show that the spin-orbit couplings in $\beta$-graphyne could produce…

Mesoscale and Nanoscale Physics · Physics 2014-08-27 Guido van Miert , Cristiane Morais Smith , Vladimir Juricic

Altermagnets constitute a novel, third fundamental class of collinear magnetic ordered materials, alongside with ferro- and antiferromagnets. They share with conventional antiferromagnets the feature of a vanishing net magnetization. At the…

Heavily electron-doped surfaces of Bi$_2$Se$_3$ have been studied by spin and angle resolved photoemission spectroscopy. Upon doping, electrons occupy a series of {\bf k}-split pairs of states above the topological surface state. The {\bf…

Strongly Correlated Electrons · Physics 2012-04-25 Z. -H. Pan , E. Vescovo , A. V. Fedorov , B. Sinkovic , D. Gardner , S. Chu , Y. S. Lee , G. D. Gu , T. Valla

We investigate the bulk-boundary correspondence in two-dimensional type-I semi-Dirac materials with band inversion and Rashba spin-orbit coupling. Employing a dimensional reduction framework, we identify the Zak phase along the…

Mesoscale and Nanoscale Physics · Physics 2025-06-02 Marta García-Olmos , Yuriko Baba , Alexander López , Mario Amado , Rafael A. Molina

We consider a single-level quantum dot coupled to two leads which are ferromagnetic in general. Apart from tunneling processes conserving electron spin, we also include processes associated with spin-flip of tunneling electrons, which…

Mesoscale and Nanoscale Physics · Physics 2018-08-22 Łukasz Karwacki , Józef Barnaś

We report the observation of superconductivity with multiple magnetic ordering and Rashba-type spin-orbit coupling in a layered polar semimetal EuAuBi. Magnetic transition is observed at 4 K, followed by a superconducting transition at 2.2…

We investigate the properties of the two-dimensional model with Rashba-type spin-orbit coupling cubic in electron momentum. In the normal phase, edge states emerge on open boundaries. In the superconducting phase, edge states could evolve…

Superconductivity · Physics 2024-02-06 Haijiao Ji , Ning Zhang , Noah F. Q. Yuan

A combination of spin-orbit coupling and electron-electron interaction gives rise to a new type of collective spin modes, which correspond to oscillations of magnetization even in the absence of the external magnetic field. We review recent…

Strongly Correlated Electrons · Physics 2022-12-14 Dmitrii L. Maslov , Abhishek Kumar , Saurabh Maiti

The ferromagnetic metal-superconductor heterostructure with interface Rashba spin-orbit hopping is a promising candidate for topological superconductivity. We study the interplay between the interface Rashba hopping and the intrinsic…

Superconductivity · Physics 2023-09-15 Yingwen Zhang , Dao-Xin Yao , Zhi Wang

How ferromagnetic phases emerge in itinerant systems is an outstanding problem in quantum magnetism. Here we consider a repulsive two-component Fermi gas confined in a two dimensional isotropic harmonic potential and subject to a large…

Quantum Gases · Physics 2016-04-13 Shang-Shun Zhang , Wu-Ming Liu , Han Pu

The control of recently observed spintronic effects in topological-insulator/ferromagnetic-metal (TI/FM) heterostructures is thwarted by the lack of understanding of band structure and spin texture around their interfaces. Here we combine…

Mesoscale and Nanoscale Physics · Physics 2017-09-28 J. M. Marmolejo-Tejada , K. Dolui , P. Lazic , P. -H. Chang , S. Smidstrup , D. Stradi , K. Stokbro , B. K. Nikolic

A topological superconductor features at its boundaries and vortices Majorana fermions, which are potentially applicable for topological quantum computations. The scarcity of the known experimentally verified physical systems with…

Superconductivity · Physics 2020-03-18 Minseong Lee , Hyun-Jae Lee , Jun Hee Lee , Suk Bum Chung

We investigate thermoelectric properties of a ferromagnet-superconductor hybrid structure with Rashba spin-orbit interaction and delta function potential barrier at the interfacial layer. The exponential rise of thermal conductance with…

Mesoscale and Nanoscale Physics · Physics 2017-09-07 Paramita Dutta , Arijit Saha , A. M. Jayannavar