English
Related papers

Related papers: Magnetic adatom induced skyrmion-like spin texture…

200 papers

Spin-orbit splitting of surface states is analyzed within and beyond the Rashba model using as examples the (111) surfaces of noble metals, Ag2Bi surface alloy, and topological insulator Bi2Se3. The ab initio analysis of relativistic…

Materials Science · Physics 2015-06-17 E. E. Krasovskii

Spin-orbit coupling (SOC) emerging at the interfaces of superconducting magnetic tunnel junctions is at the heart of multiple unprecedented physical phenomena, covering triplet proximity effects induced by unconventional (spin-flip) Andreev…

Superconductivity · Physics 2025-02-19 Andreas Costa , Jaroslav Fabian

We present both theory and numerical-computation results for the transmission and reflection probability currents of a charged particle across a potential step in the presence of a Rashba spin-orbit interaction. By varying kinetic energy…

Mesoscale and Nanoscale Physics · Physics 2022-03-22 Po-Hsin Shih , Godfrey Gumbs , Danhong Huang , Andrii Iurov , Yonatan Abranyos

The structure inversion asymmetry at surfaces and interfaces give rise to the Rashba spin-orbit interaction (SOI), that breaks the spin degeneracy of surface or interface states. Hence, when an electric current runs through a surface or…

We study the dependence of the spin splitting on the number $N$ of atomic layers, using first-principles calculation for Au(111) surface. When the slab of the atomic layers is sufficiently thick, the lower split state has a minimum away…

Materials Science · Physics 2015-05-28 Taichi Kosugi , Takashi Miyake , Shoji Ishibashi

The beating pattern of Shubnikov-de Haas oscillations in 2D electron system in the presence of a Rashba zero-field spin splitting is reproduced. It is shown, taking into account the Zeeman splitting, that the explicit formulae for the node…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. V. Cheremisin , A. S. Furman

We quantify the effect of the spin-orbit interaction on the Rydberg-like series of image state electrons at the (111) and (001) surface of Ir, Pt and Au. Using relativistic multiple-scattering methods we find Rashba-like dispersions with…

Materials Science · Physics 2007-05-23 J R McLaughlan , E M Llewellyn-Samuel , S Crampin

We have studied the BiCu$_2$/Cu(111) surface alloy using low-temperature scanning tunneling microscopy and spectroscopy. We observed standing waves caused by scattering off defects and step edges. Different from previous studies on similar…

Materials Science · Physics 2015-06-16 Manuel Steinbrecher , Hasmik Harutyunyan , Christian R. Ast , Daniel Wegner

We derive the eigenenergies and eigenstates of electrons in a quantum wire subjected to an external magnetic field. These are calculated in the presence of spin orbit interactions arising from the Rashba (structural inversion asymmetry) and…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. Bandyopadhyay , S. Pramanik , M. Cahay

Exact wave functions and energy levels are obtained for an electron in a two-dimensional semiconductor circular quantum ring with a confining potential of finite depth in the presence of both an external magnetic field and the Rashba…

Mathematical Physics · Physics 2012-12-07 V. V. Kudryashov , A. V. Baran

We investigate the effect of strong spin-orbit interaction on the electronic transport through non-magnetic impurities in one-dimensional systems. When a perpendicular magnetic field is applied, the electron spin polarization becomes…

Materials Science · Physics 2007-05-23 R. G. Pereira , E. Miranda

Polar metals are an intriguing class of materials in which electric polarisation and metallicity can coexist within a single phase. The unique properties of polar metals challenge expectations, making way for the exploration of exotic…

Strongly Correlated Electrons · Physics 2025-02-03 Evie Ladbrook , Urmimala Dey , Nicholas C. Bristowe , Robin S. Perry , Dominik Daisenberger , Mark R. Warren , Mark S. Senn

The z axis magnetization of a two dimensional electron gas with contact repulsive interaction and in presence of a Rashba potential is computed by means of quantum field theory at second order. A striking effect of the pure Rashba…

Mesoscale and Nanoscale Physics · Physics 2011-12-21 Alberto Ambrosetti , Pier Luigi Silvestrelli , Flavio Toigo

We present a first-principles study of the surface magnetism induced by Cr, Mn, Fe and Co adatoms on the (111) surfaces of Rh, Pd, Ag, Ir, Pt and Au. We first describe how the different contributions to the surface magnetism enter the…

Mesoscale and Nanoscale Physics · Physics 2020-02-19 Sascha Brinker , Manuel dos Santos Dias , Samir Lounis

The spin-sensitive charge oscillation, controlled by an external magnetic field, was recently proposed as a mechanism of transformations of qubits, defined as two-electron spin-charge Wannier molecules in a square quantum dot. The paper…

Mesoscale and Nanoscale Physics · Physics 2020-07-30 Ambroz Kregar , Anton Ramsak

The Rashba-Dresselhaus effect is the splitting of doubly degenerate band extrema in semiconductors, accompanied by the emergence of counter-rotating spin textures and spin-momentum locking. Here we investigate how this effect is modified by…

Materials Science · Physics 2021-12-07 Martin Schlipf , Feliciano Giustino

We predict two spin-dependent transport phenomena in two-dimensional electron systems, which are induced by spatially fluctuating Rashba spin-orbit interaction. When the electron gas is magnetized, the random Rashba interaction leads to the…

Mesoscale and Nanoscale Physics · Physics 2012-11-26 V. K. Dugaev , M. Inglot , E. Ya. Sherman , J. Berakdar , J. Barnas

Spin waves in antiferromagnetic materials have great potential for next-generation magnonic technologies. However, their properties and their dependence on the type of ground-state antiferromagnetic structure are still open questions. Here,…

Mesoscale and Nanoscale Physics · Physics 2020-10-07 Flaviano José dos Santos , Manuel dos Santos Dias , Samir Lounis

The broken inversion symmetry at the surface of a metallic film (or, more generally, at the interface between a metallic film and a different metallic or insulating material) greatly amplifies the influence of the spin-orbit interaction on…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 I. V. Tokatly , E. E. Krasovskii , G. Vignale

Au(111) or similar noble metal surfaces feature Tamm-Shockley surface states that are known to possess considerable spin-orbit splitting of the Rashba type of order $\Delta=0.1$ eV. When interacting with an electromagnetic field such states…

Mesoscale and Nanoscale Physics · Physics 2008-11-26 A. M. Farid , E. G. Mishchenko