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Quantum wires with spin-orbit coupling provide a unique opportunity to simultaneously control the coupling strength and the screened Coulomb interactions where new exotic phases of matter can be explored. Here we report on the observation…

Strongly Correlated Electrons · Physics 2015-09-21 C. Brand , H. Pfnür , G. Landolt , S. Muff , J. H. Dil , Tanmoy Das , C. Tegenkamp

Optical absorption of circularly polarized light is well known to yield an electron spin polarization in direct band gap semiconductors. We demonstrate that electron spins can even be generated with high efficiency by absorption of linearly…

We investigate the influence of the spin-flip transitions on formation of the spectral distribution of the radiation emitted by tens to hundreds GeV ultrarelativistic electrons incident along crystallographic axis in a thin single crystal.…

Accelerator Physics · Physics 2009-11-07 A. V. Korol , A. V. Solov'yov , W. Greiner

We investigate the inherent influence of light polarization on the intensity distribution in anisotropic media undergoing a local inhomogeneous rotation of the principal axes. Whereas in general such configuration implies a complicated…

Optics · Physics 2017-03-07 Alessandro Alberucci , Chandroth Pannian Jisha

The spin-flip rate that couples dark and bright excitons in self-assembled quantum dots is obtained from time-resolved spontaneous emission measurements in a modified local density of optical states. Employing this technique, we can…

Other Condensed Matter · Physics 2010-03-18 Jeppe Johansen , Brian Julsgaard , Søren Stobbe , Jørn M. Hvam , Peter Lodahl

The twist phase of random light represents a nontrivial two-point phase, endowing the field with orbital angular momentum. Although the mutual transition of the spin and orbit angular momenta of coherent light has been revealed, the…

Optics · Physics 2025-05-13 Benli Li , Yahong Chen , Weimin Deng , Tongbiao Wang , Lipeng Wan , Tianbao Yu

The resistivity change due to electron spin resonance (ESR) absorption is investigated in a high-mobility two-dimensional electron system formed in a Si/SiGe heterostructure. Results for a specific Landau level configuration demonstrate…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Junya Matsunami , Mitsuaki Ooya , Tohru Okamoto

Spin-orbit interaction in a quantum dot couples far infrared radiation to non center of mass excitation modes, even for parabolic confinement and dipole approximation. The intensities of the absorption peaks satisfy the optical sum rule,…

Strongly Correlated Electrons · Physics 2015-06-25 P. Lucignano , B. Jouault , A. Tagliacozzo

Recent observations of considerable spin polarization in photoemission from metal surfaces through monolayers of chiral molecules were followed by several efforts to rationalize the results as the effect of spin-orbit interaction that…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Joel Gersten , Kristen Kaasbjerg , Abraham Nitzan

The aim of the paper is to study the electron spin direction dependence on momentum due to the presence of Rashba spin-orbit coupling in the pseudo-gap phase of Bi2212 bilayer. The non-trivial spin texture in k-space is found tuneable by…

Superconductivity · Physics 2022-05-25 Udai Prakash Tyagi , Partha Goswami

We present a microscopic theory of spin-orbit coupling in the integer quantum Hall regime. The spin-orbit scattering length is evaluated in the limit of long-range random potential. The spin-flip rate is shown to be determined by rare…

Condensed Matter · Physics 2009-10-28 D. G. Polyakov

Faster magnetic recording technology is indispensable to massive data storage and big data sciences. {All-optical spin switching offers a possible solution}, but at present it is limited to a handful of expensive and complex rare-earth…

Materials Science · Physics 2016-11-03 G. P. Zhang , Y. H. Bai , T. F. George

We study the spin-orbit interaction effects in a one-dimensional electron system that result from the image charges in a nearby metallic gate. The nontrivial property of the image-potential-induced spin-orbit interaction (iSOI) is that it…

Strongly Correlated Electrons · Physics 2017-11-27 Yasha Gindikin , Vladimir A. Sablikov

The ability to control the spin-orbit interaction of light in optical microresonators is of fundamental importance for future photonics. Organic microcrystals, due to their giant optical anisotropy, play a crucial role in spin-optics and…

Optics · Physics 2022-01-25 Jiahuan Ren , Qing Liao , Xuekai Ma , Stefan Schumacher , Jiannian Yao , Hongbing Fu

We consider joint effects of tunneling and spin-orbit coupling on driven by electric field spin dynamics in a double quantum dot with a multi-level resonance scenario. We demonstrate that tunneling plays the crucial role in the formation of…

Mesoscale and Nanoscale Physics · Physics 2012-03-26 D. V. Khomitsky , L. V. Gulyaev , E. Ya. Sherman

The work investigates absorption of a twisted photon, which possesses quantized total angular momentum (TAM), by a relativistic electron with the Lorentz factor $\gamma \sim 1-10$ in a strong magnetic field up to the Schwinger limit, $H_c =…

High Energy Physics - Phenomenology · Physics 2024-10-28 A. A. Shchepkin , D. V. Grosman , I. I. Shkarupa , D. V. Karlovets

The spin-dependent recombination (SDR) has been observed in GaAs_{1-x}N_{x} (x = 2.1, 2.7, 3.4%) at room temperature. It reveals itself in a decrease of the edge photoluminescence (PL) intensity by more than a factor of 3 when either the…

Using a three-dimensional spin polarimeter we have gathered evidence for the interference of spin states in photoemission from the surface alloy Sb/Ag(111). This system features a small Rashba-type spin-splitting of a size comparable to the…

Other Condensed Matter · Physics 2010-01-28 Fabian Meier , Vladimir Petrov , Hossein Mirhosseini , Luc Patthey , Juergen Henk , Juerg Osterwalder , J. Hugo Dil

We study the scattering of an electron in a definite state of spin at an interface of an hybrid system with a Rashba spin-orbit coupling on one side. Out of the normal incidence the double refraction phenomenon appears, with one or two…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. Marigliano Ramaglia , V. Cataudella , G. De Filippis , C. A. Perroni , F. Ventriglia

Photo-electric absorption of blackbody photons is an important process which limits the acceleration of ions under the space-charge limited flow boundary condition at the polar caps of pulsars with positive corotational charge density.…

High Energy Astrophysical Phenomena · Physics 2015-05-30 P. B. Jones