Results 21 to 30 of about 50,900 (313)

Chirality and Spin: A Different Perspective on Enantioselective Interactions

open access: yesCHIMIA, 2018
This review describes a new perspective on the role that electron spin plays in the intermolecular forces between two chiral molecules and between chiral molecules and surfaces. This different role of the spin arises from the chiral induced spin
Ron Naaman   +2 more
doaj   +1 more source

Spatial separation of spin currents in transition metal dichalcogenides

open access: yesSciPost Physics Core, 2023
We theoretically predict spatial separation of spin-polarized ballistic currents in transition metal dichalcogenides (TMDs) due to trigonal warping.
Antonio L. R. Manesco, Artem Pulkin
doaj   +1 more source

Vortex Polarity Switching by a Spin-Polarized Current [PDF]

open access: yesPhysical Review Letters, 2007
The spin-transfer effect is investigated for the vortex state of a magnetic nanodot. A spin current is shown to act similarly to an effective magnetic field perpendicular to the nanodot. Then a vortex with magnetization (polarity) parallel to the current polarization is energetically favorable.
Caputo, J.G.   +3 more
openaire   +4 more sources

Spin polarization and Fano–Rashba resonance in nonmagnetic graphene

open access: yesNew Journal of Physics, 2023
We study the symmetry of spin transport in graphene with the Rashba spin–orbit coupling (SOC) and the staggered potential, which can be produced by depositing the graphene on a transition-metal dichalcogenides substrate.
Wei-Tao Lu, Qing-Feng Sun
doaj   +1 more source

Helical spin texture of surface states in topological superconductors

open access: yesNew Journal of Physics, 2015
Surface states of topological noncentrosymmetric superconductors (NCSs) exhibit intricate helical spin textures, i.e., the spin orientation of the surface quasiparticles is coupled to their momentum.
P M R Brydon   +2 more
doaj   +1 more source

Coherence Time Extension by Large-Scale Optical Spin Polarization in a Rare-Earth Doped Crystal

open access: yesPhysical Review X, 2020
Optically addressable spins are actively investigated in quantum communication, processing, and sensing. Optical and spin coherence lifetimes, which determine quantum operation fidelity and storage time, are often limited by spin-spin interactions, which
Sacha Welinski   +5 more
doaj   +1 more source

Rashba effect on finite temperature magnetotransport in a dissipative quantum dot transistor with electronic and polaronic interactions

open access: yesScientific Reports, 2023
The Rashba spin–orbit coupling induced quantum transport through a quantum dot embedded in a two-arm quantum loop of a quantum dot transistor is studied at finite temperature in the presence of electron–phonon and Hubbard interactions, an external ...
Kuntal Bhattacharyya   +2 more
doaj   +1 more source

Spin Polarization of Injected Electrons

open access: yesScience, 2002
LaBella et al . ([1][1]) claimed 92% spin polarization for electrons injected into gallium arsenide [GaAs(110)] from a Ni scanning tunneling microscope (STM) tip, which, they asserted, emitted 100% spin-polarized electrons. Such a claim, if substantiated, would constitute a development of great importance for the emerging field of spintronics: It would
Egelhoff, W   +10 more
openaire   +3 more sources

Spin Polarization Modulation Responses of Polarization Bistable VCSELs

open access: yesIEEE Photonics Journal
This study investigates the spin polarization modulation responses of vertical-cavity surface-emitting lasers (VCSELs) through numerical simulations and experimental measurements.
Nobuhide Yokota, Hiroshi Yasaka
doaj   +1 more source

A novel broad-band neutron spin filter based on dynamically polarized protons using photo-excited triplet states [PDF]

open access: yesEPJ Web of Conferences, 2019
The use of polarized protons as a broad-band neutron spin filter is an attractive alternative to the well-established neutron polarization techniques, namely polarized 3He gas and super mirrors, since the spin-dependent neutron proton scattering cross ...
Quan Yifan   +3 more
doaj   +1 more source

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