English
Related papers

Related papers: Finding the Rashba-type spin-splitting from interb…

200 papers

The Rashba Hamiltonian describes the splitting of the conduction band as a result of spin-orbit coupling in the presence of an asymmetric confinement potential and is commonly used to model the electronic structure of confined narrow-gap…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Jun-ichiro Inoue , Gerrit E. W. Bauer , Laurens W. Molenkamp

The quasiparticle interference of the spectroscopic imaging scanning tunneling microscopy has been investigated for the surface states of the large gap topological insulator Bi$_2$Te$_3$ through the T-matrix formalism. Both the scalar…

Mesoscale and Nanoscale Physics · Physics 2010-09-15 Wei-Cheng Lee , Congjun Wu , Daniel P. Arovas , Shou-Cheng Zhang

The movement of the electrons under the simultaneous influence of a scalar periodic potential and of a uniform transversal magnetic field is described by the well-known second order discrete Harper equation. This equation originates from a…

Mesoscale and Nanoscale Physics · Physics 2009-06-19 O. Borchin , E. Papp

This paper considers scattering screens that have arbitrary spatial variations of scattering strength transverse to the line of sight, including screens that are spatially well confined, such as disks and filaments. We calculate the…

Astrophysics · Physics 2009-10-31 J. M. Cordes , T. Joseph W. Lazio

In semiconductors with inversion asymmetry, spin-orbit coupling gives rise to the well-known Dresselhaus and Rashba effects. If one considers quantum wells with two or more conduction subbands, an additional, intersubband-induced spin-orbit…

Materials Science · Physics 2007-10-16 F. V. Kyrychenko , C. A. Ullrich , I. D'Amico

Topological non-collinear magnetic phases of matter are at the heart of many proposals for future information nanotechnology, with novel device concepts based on ultra-thin films and nanowires. Their operation requires understanding and…

Mesoscale and Nanoscale Physics · Physics 2018-04-20 Flaviano José dos Santos , Manuel dos Santos Dias , Filipe Souza Mendes Guimarães , Juba Bouaziz , Samir Lounis

Rashba-like spin-orbit interaction at oxide heterostructures emerges as a much sought-after feature in the context of oxide spintronics and spin-orbitronics. KTaO$_3$ (KTO) is one of the best substrates available for the purpose, owing to…

Materials Science · Physics 2022-09-19 Vivek Kumar , Nirmal Ganguli

Topological superconductors, such as noncentrosymmetric superconductors with strong spin-orbit coupling, exhibit protected zero-energy surface states, which possess an intricate helical spin structure. We show that this nontrival spin…

Superconductivity · Physics 2013-10-10 Johannes S. Hofmann , Raquel Queiroz , Andreas P. Schnyder

Graphene, as a material with a small intrinsic spin-orbit interaction of approximately 1 $\mu$eV, has a limited application in spintronics. Adsorption of graphene on the surfaces of heavy-metals was proposed to induce the strong…

Materials Science · Physics 2018-12-27 Elena Voloshina , Yuriy Dedkov

The experimental evidence of the ultra-high electron mobility and strong spin-orbit coupling in the two-dimensional (2D) layered bismuth-based oxyselenide, Bi$_{2}$O$_{2}$Se, makes it a potential material for spintronic devices. However,…

Strongly Correlated Electrons · Physics 2023-11-02 Muhammad Darwis Umar , Lalu Dalilul Falihin , Arief Lukmantoro , Harsojo , Moh. Adhib Ulil Absor

To realize a one-dimensional (1D) system with strong spin-orbit coupling is a big challenge in modern physics, since the electrons in such a system are predicted to exhibit exotic properties unexpected from the 2D or 3D counterparts, while…

Materials Science · Physics 2015-02-12 A. Takayama , T. Sato , S. Souma , T. Oguchi , T. Takahashi

We investigate the spin relaxation due to the random Rashba spin-orbit coupling in symmetric GaAs (110) quantum wells from the fully microscopic kinetic spin Bloch equation approach. All relevant scatterings, such as the electron-impurity,…

Mesoscale and Nanoscale Physics · Physics 2010-03-17 Y. Zhou , M. W. Wu

Spin-orbit coupling (SOC) in conjunction with broken inversion symmetry acts as a key ingredient for several intriguing quantum phenomena viz. persistent spin textures, topological surface states and Rashba-Dresselhaus (RD) effects. The…

Materials Science · Physics 2021-09-28 Preeti Bhumla , Deepika Gill , Sajjan Sheoran , Saswata Bhattacharya

In this work we have investigated the effect of Rashba splitting on the RKKY interaction in TI thin film both at finite and zero chemical potential. We find that the spin susceptibility of Rashba materials including TI thin film is strongly…

Mesoscale and Nanoscale Physics · Physics 2017-07-14 Mahroo Shiranzaei , Fariborz Parhizgar , Hosein Cheraghchi

The Rashba spin-orbit coupling effect, primarily arising from structural-inversion asymmetry in periodic crystals, has garnered considerable attention due to its tunability and potential applications in spintronics. Its capability to…

Materials Science · Physics 2024-04-24 Arjyama Bordoloi , A. C. Garcia-Castro , Zachary Romestan , Aldo H. Romero , Sobhit Singh

The capability to probe the dispersion of elementary spin, charge, orbital, and lattice excitations has positioned resonant inelastic x-ray scattering (RIXS) at the forefront of photon science. Here we develop the scattering theory for RIXS…

Superconductivity · Physics 2015-04-10 Pasquale Marra , Steffen Sykora , Krzysztof Wohlfeld , Jeroen van den Brink

We report on $\vec{k}\cdot\vec{p}$ calculations of Rashba spin-orbit coupling controlled by external gates in InAs/InAsP core-shell nanowires. We show that charge spilling in the barrier material allows for a stronger symmetry breaking than…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 P. Wójcik , A. Bertoni , G. Goldoni

We consider a 2D ballistic and quasi-ballistic structures with spin-orbit-related splitting of the electron spectrum. The ballistic region is attached to the leads with a voltage applied between them. We calculate the edge spin density…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Alexander Khaetskii , Eugene Sukhorukov

We performed non-local electrical measurements of a series of Py/Cu lateral spin valve devices with different Cu thicknesses. We show that both the spin diffusion length of Cu and the apparent spin polarization of Py increase with Cu…

Materials Science · Physics 2014-10-06 Mikhail Erekhinsky , Amos Sharoni , Felix Casanova , Ivan K. Schuller

A resonant inelastic x-ray scattering study of the electronic structure of the semiconductor cuprous oxide, $\rm Cu_2O$, is reported. When the incident x-ray energy is tuned to the Cu K-absorption edge, large enhancements of the spectral…

Materials Science · Physics 2012-06-18 Young-June Kim , J. P. Hill , H. Yamaguchi , T. Gog , D. Casa