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The spin-dependent electron transmission through a helical membrane with account of linear spin-orbit interaction has been investigated by numerically solving the Schr\"odinger equation in cylindrical coordinates . It is shown that the spin…

Mesoscale and Nanoscale Physics · Physics 2017-03-07 Guo-Hua Liang , Yong-Long Wang , Hua Jiang , Meng-Yun Lai , Hong-Shi Zong

We evaluate the non-equilibrium spin polarization induced by an applied electric field for a tight-binding model of electron states at oxides interfaces in LAO/STO heterostructures. By a combination of analytic and numerical approaches we…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 Goetz Seibold , Sergio Caprara , Roberto Raimondi

We apply spin-squeezing techniques to identify and quantify highly multi-partite photonic entanglement in polarization-squeezed light. We consider a practical single-mode scenario, and find that Wineland-criterion polarization squeezing…

Quantum Physics · Physics 2014-09-24 Morgan W. Mitchell , Federica A. Beduini

We demonstrate spin polarized jets in extended systems of ballistic exciton-polariton condensates in semiconductor microcavities using optical non-resonant excitation geometries. The structure of the spin jets is determined by the digitally…

Mesoscale and Nanoscale Physics · Physics 2021-04-21 Lucinda Pickup , Julian D. Töpfer , Helgi Sigurdsson , Pavlos G. Lagoudakis

Large surface to volume ratios of semiconductor nanocrystals cause susceptibility to charge trapping, which can modify luminescence yields and induce single-particle blinking. Optical spectroscopies cannot differentiate between bulk and…

Mesoscale and Nanoscale Physics · Physics 2013-03-08 Kipp J. van Schooten , Jing Huang , William J. Baker , Dmitri V. Talapin , Christoph Boehme , John M. Lupton

A ring structure fabricated from GaAs is used to achieve interference of the net spin polarization of conduction band electrons. Optically polarized spins are split into two packets by passing through two arms of the ring in the diffusive…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Y. K. Kato , R. C. Myers , A. C. Gossard , D. D. Awschalom

Spin correlations of $e^{+}e^{-}$ pair productions of two colliding photons are investigated and explicit expressions for their corresponding probabilities are derived and found to be \textit{energy} (speed) dependent, for initially…

Quantum Physics · Physics 2015-03-17 N. Yongram

We study the spin polarization generated by the hydrodynamic gradients. In addition to the widely studied thermal vorticity effects, we identify an undiscovered contribution from the fluid shear. This shear-induced polarization (SIP) can be…

High Energy Physics - Phenomenology · Physics 2021-10-04 Baochi Fu , Shuai Y. F. Liu , Longgang Pang , Huichao Song , Yi Yin

We report the detection of phase-locked polarization in the bright ($m_V$=2.98-3.24) semidetached eclipsing binary $\mu^1$ Sco (HD 151890). The phenomenon was observed in multiple photometric bands using two different HIPPI-class (HIgh…

Solar and Stellar Astrophysics · Physics 2020-07-22 Daniel V. Cotton , Jeremy Bailey , Lucyna Kedziora-Chudczer , Ain De Horta

New experimental results on the spin dependent structure functions g_1 and g_2 which are determined from deep-inelastic scattering experiments at CERN, SLAC and DESY are reported. These results are used to evaluate the Bjorken sum rule and…

High Energy Physics - Phenomenology · Physics 2008-02-03 J. Nassalski

The spin susceptibility of a two-dimensional electron system is calculated by determining the spin-polarization dependence of the ground-state energy within the self-consistent mean-field theory of Singwi et al. (STLS). Results are…

Strongly Correlated Electrons · Physics 2011-06-03 R. K. Moudgil , Krishan Kumar , Gaetano Senatore

A systematic study of spin-dependent recombination (SDR) under steady-state optical pumping conditions in dilute nitride semiconductors as a function of nitrogen content is reported. The alloy content is determined by a fit of the…

Materials Science · Physics 2023-10-30 A. C. Ulibarri , R. Kothari , A. Garcia , J. C. Harmand , S. Park , F. Cadiz , J. Peretti , A. C. H. Rowe

A quantum dot spin LED provides a test of carrier spin injection into a qubit, as well as a means of analyzing carrier spin injection in general and local spin polarization. The polarization of the observed light is, however, significantly…

Condensed Matter · Physics 2009-11-10 C. E. Pryor , M. E. Flatté

We extend a microscopic theory of polarization and magnetization to include the spin degree of freedom of the electrons, introducing a general spin orbit coupling and Zeeman interaction term in the Hamiltonian. At finite frequencies and…

Mesoscale and Nanoscale Physics · Physics 2023-07-11 Alistair H. Duff , J. E. Sipe

We review the present data on high-energy, spin-dependent photoabsorption. We find a strong isotriplet term in $(\sigma_A - \sigma_P)$ which persists from $Q^2 \sim 0.25$GeV$^2$ to high $Q^2$ polarised deep inelastic scattering. For $Q^2…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. D. Bass , M. M. Brisudova

A spin current has novel linear and second-order nonlinear optical effects due to its symmetry properties. With the symmetry analysis and the eight-band microscopic calculation we have systematically investigated the interaction between a…

Mesoscale and Nanoscale Physics · Physics 2012-07-26 Jing Wang , Sheng-Nan Ji , Bang-Fen Zhu , Ren-Bao Liu

In this work, we study the spin polarization in the $MoS(Se)_{2}-WS(Se)_{2}$ Transition metal dichalcogenide heterostructures by using the non-equilibrium Green's function (NEGF) method and a three-band tight-binding model near the edges of…

Mesoscale and Nanoscale Physics · Physics 2021-03-26 S. Hannan Mouasvi , H. Simchi

Recently, Seebeck coefficients of ferromagnetic conductors are found to be spin-dependent. However straightforward method of accurately determining its spin polarization is still to be developed. Here, we have derived a linear dependence of…

Materials Science · Physics 2015-05-29 C. Fang , C. H. Wan , Z. H. Yuan , H. Wu , Q. T. Zhang , L. B. Mo , X. Zhang , X. F. Han

In this letter, we exploit the polarization property of light to investigate the Angstroem exponent describing the wavelength dependence of optical backscatter between two wavelengths. Where previous interpretation of Angstroem exponent was…

Atmospheric and Oceanic Physics · Physics 2020-03-18 Alain Miffre , Danael Cholleton , Patrick Rairoux

The pumping intensity (I) dependence of the photoluminescence (PL) spectra of perfectly laterally two-dimensionally ordered SiGe quantum dots on Si(001) substrates was studied. The PL results from recombinations of holes localized in the…

Mesoscale and Nanoscale Physics · Physics 2012-09-28 P. Klenovský , M. Brehm , V. Křápek , E. Lausecker , D. Munzar , F. Hackl , H. Steiner , T. Fromherz , G. Bauer , J. Humlíček