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Related papers: Mapping spin-orbit splitting in strained InGaAs ep…

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The concept of vectorial spin analysis in spin and angle resolved photoemission is illustrated in this report. Two prototypical systems, Bi/Ag(111)(sqrt3 x sqrt3)R30 and Pb/Ag(111)(sqrt3 x sqrt3)R30, which show a large Rashba type…

Other Condensed Matter · Physics 2009-11-13 Fabian Meier , Hugo Dil , Jorge Lobo-Checa , Luc Patthey , Juerg Osterwalder

The temperature dependence of electron spin coherence in singly negatively charged (In,Ga)As/GaAs quantum dots is studied by time-resolved Faraday rotation. The decoherence time T2 is constant on a microsecond scale for temperatures below…

Materials Science · Physics 2008-07-14 F. G. G. Hernandez , A. Greilich , F. Brito , M. Wiemann , D. R. Yakovlev , D. Reuter , A. D. Wieck , M. Bayer

The effect of Rashba spin-orbit interaction and anisotropic strain on the electronic, optical and thermodynamic properties of artificial graphene-like superlattice composed of InAs-GaAs quantum dots has been considered theoretically. The…

Mesoscale and Nanoscale Physics · Physics 2019-11-27 Vram Mughnetsyan , Aram Manaselyan , Manuk Barseghyan , Albert Kirakosyan , David Laroze

We propose a quantum non-demolition method - giant Faraday rotation - to detect a single electron spin in a quantum dot inside a microcavity where negatively-charged exciton strongly couples to the cavity mode. Left- and right-circularly…

Quantum Physics · Physics 2009-11-13 C. Y. Hu , A. Young , J. L. O'Brien , J. G. Rarity

Spin-orbit coupling is a manifestation of special relativity. In the reference frame of a moving electron, electric fields transform into magnetic fields, which interact with the electron spin and lift the degeneracy of spin-up and…

Mesoscale and Nanoscale Physics · Physics 2007-09-18 Lorenz Meier , Gian Salis , Ivan Shorubalko , Emilio Gini , Silke Schoen , Klaus Ensslin

Spin relaxation of a single electron in a weakly coupled double quantum dot is calculated numerically. The phonon assisted spin flip is allowed by the presence of the linear and cubic spin-orbit couplings and nuclear spins. The rate is…

Mesoscale and Nanoscale Physics · Physics 2014-09-02 Martin Raith , Thomas Pangerl , Peter Stano , Jaroslav Fabian

Over the regime of the radiation-induced zero-resistance states and associated oscillatory magnetoresistance, we propose a low magnetic field analog of quantum-Hall-limit techniques for the electrical detection of electron spin- and nuclear…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. G. Mani

An effective Hamiltonian is derived to describe the conduction band of monolayer black phosphorus (phosphorene) in the presence of spin-orbit coupling and external electric field. Envelope function approximation along with symmetry…

Materials Science · Physics 2020-01-01 S. M. Farzaneh , Shaloo Rakheja

We present a spatio-temporal analysis of a statistically stationary rotating turbulence experiment, aiming to extract a signature of inertial waves, and to determine the scales and frequencies at which they can be detected. The analysis…

Fluid Dynamics · Physics 2021-07-27 Antoine Campagne , Basile Gallet , Frédéric Moisy , Pierre-Philippe Cortet

We observed spin-wave transmission through an air gap that works as a prohibited region. The spin waves were excited by circularly polarized pump pulses via the inverse Faraday effect, and their spatial propagation was detected through the…

The influence of in-plane and canted magnetic fields on spin spirals and skyrmions in atomic bilayer islands of palladium and iron on an Ir(111) substrate is investigated by scanning tunnelling microscopy at low temperatures. It is shown…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Lorenz Schmidt , Julian Hagemeister , Pin-Jui Hsu , André Kubetzka , Kirsten von Bergmann , Roland Wiesendanger

Periodic excitation of electron spin polarization by consecutive laser pulses in phase with Larmor spin precession about a magnetic field results in resonant spin amplification (RSA). We observe a drastic modification of RSA in $n$-doped…

Mesoscale and Nanoscale Physics · Physics 2020-08-05 V. V. Belykh , D. N. Sob'yanin , A. R. Korotneva

We have measured the spin splitting in single-layer and bilayer graphene by means of tilted magnetic field experiments. Applying the Lifshitz-Kosevich formula for the spin-induced decrease of the Shubnikov de Haas amplitudes with increasing…

Mesoscale and Nanoscale Physics · Physics 2011-09-22 E. V. Kurganova , H. J. van Elferen , A. McCollam , L. A. Ponomarenko , K. S. Novoselov , A. Veligura , B. J. van Wees , J. C. Maan , U. Zeitler

The spin-conserving length-scale is a key parameter determining functionalities of a broad range of spintronic devices including magnetic multilayer spin-valves in the commercialized magnetic memories or lateral spin transistors in…

Mesoscale and Nanoscale Physics · Physics 2016-05-16 L. Nádvorník , P. Němec , T. Janda , K. Olejník , V. Novák , V. Skoromets , H. Němec , P. Kužel , F. Trojánek , T. Jungwirth , J. Wunderlich

We numerically investigate the dynamical properties of $\kappa$-type molecular conductors in their antiferromagnetic Mott insulating state. By treating the extended Hubbard model on the two-dimensional $\kappa$-type lattice within the…

Strongly Correlated Electrons · Physics 2021-06-22 Hitoshi Seo , Makoto Naka

The Faraday rotation angle is calculated in a diffusive regime in a three dimensional disordered slab. It is shown that it is an oscillating function of the magnetic field or the mediums internal properties, and is proportional to the ratio…

Disordered Systems and Neural Networks · Physics 2015-06-15 V. Gasparian , Zh. S. Gevorkian

Conventional methods to measure the dispersion relations of collective spin excitations involve probing bulk samples with particles such as neutrons, photons or electrons, which carry a well-defined momentum. Open-ended finite-size spin…

Mesoscale and Nanoscale Physics · Physics 2025-02-20 J. C. G. Henriques , Chenxiao Zhao , G. Catarina , Pascal Ruffieux , Roman Fasel , J. Fernández-Rossier

The search for one-dimensional electron systems with a giant Rashba-type spin splitting is of importance for the application of spin transport. Here we report, based on a first-principles density-functional-theory calculation, that Bi…

Mesoscale and Nanoscale Physics · Physics 2015-08-11 Hyun-Jung Kim , Jun-Hyung Cho

We report that the electron spin relaxation time, T1, in a GaAs quantum dot with a spin-1/2 ground state has a 180 degree periodicity in the orientation of the in-plane magnetic field. This periodicity has been predicted for circular dots…

Mesoscale and Nanoscale Physics · Physics 2015-01-16 P. Scarlino , E. Kawakami , P. Stano , M. Shafiei , C. Reichl , W. Wegscheider , L. M. K. Vandersypen

We observe coherent spin oscillations in an antiferromagnetic spin-1 Bose-Einstein condensate of sodium. The variation of the spin oscillations with magnetic field shows a clear signature of nonlinearity, in agreement with theory, which…

Other Condensed Matter · Physics 2009-11-13 A. T. Black , E. Gomez , L. D. Turner , S. Jung , P. D. Lett