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Related papers: Chirality Induced Spin Coherence in Electron Trans…

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The generation, manipulation and detection of spin-polarized electrons in nanostructures define the main challenges of spin-based electronics[1]. Amongst the different approaches for spin generation and manipulation, spin-orbit coupling,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Sergio O. Valenzuela , M. Tinkham

We show that the parallel magnetic field-induced increase in the critical electron density for the Anderson transition in a strongly interacting two-dimensional electron system is caused by the effects of exchange and correlations. If the…

Strongly Correlated Electrons · Physics 2017-08-21 V. T. Dolgopolov , A. A. Shashkin , S. V. Kravchenko

Radical pairs in the flavoprotein cryptochrome are central to various magnetically sensitive biological processes, including the proposed mechanism of avian magnetoreception. Cryptochrome's molecular chirality has been hypothesized to…

Quantum Physics · Physics 2025-05-06 Luke D. Smith , Sukesh Tallapudi , Matt C. J. Denton , Daniel R. Kattnig

Here we review a universal model for chirally induced spin-selectivity (CISS) as a standalone effect occurring in chiral molecules. We tie together the results of forward scattering in the gas phase to the results for photoelectrons in…

Mesoscale and Nanoscale Physics · Physics 2024-06-24 Miguel Mena , Solmar Varela , Bertrand Berche , Ernesto Medina

Magnetic effects on free electron systems have been studied extensively in the context of spin-to-orbital angular momentum conversion. Using a quantum field theory framework, we derive a similar relationship in the non-relativistic limit…

General Physics · Physics 2018-06-15 P. Kurian

Electron transmission through chiral molecules induced by circularly polarized light can be very different for mirror-image structures, a peculiar fact given that the electronic energy spectra of the systems are identical. We propose that…

Chemical Physics · Physics 2009-11-13 Spiros S. Skourtis , David N. Beratan , Ron Naaman , Abraham Nitzan , David H. Waldeck

Chirality-induced spin selectivity (CISS), a phenomenon wherein chiral structures selectively determine the spin polarization of electron currents flowing through the material, has garnered significant attention due to its potential…

Mesoscale and Nanoscale Physics · Physics 2025-10-08 Börge Göbel , Lennart Schimpf , Ingrid Mertig

The one-dimensional effective Hamiltonian for a planar curvilinear quantum wire with arbitrary shape is proposed in the presence of the Rashba spin-orbit interaction. Single electron propagation through a device of two straight lines…

Mesoscale and Nanoscale Physics · Physics 2015-03-13 Erhu Zhang , Shengli Zhang , Qi Wang

We investigate spin-dependent electron transfer in the presence of a Duschinskii rotation. In particular, we propagate dynamics for a two-level model system for which spin-orbit coupling introduces an interstate coupling of the form…

Quantum Physics · Physics 2023-01-11 Suraj S. Chandran , Yanze Wu , Joseph E. Subotnik

The spin-orbit interaction in a focused-reflected beam of light results in spatially non-uniform polarization in the beam cross-section due to the superposition of orthogonal field components and polarization-dependent interface reflection…

Optics · Physics 2024-10-02 Upasana Baishya , Nirmal K. Viswanathan

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

It is well assessed that the charge transport through a chiral potential barrier can result in spin-polarized charges. The possibility of driving this process through visible photons holds tremendous potential for several aspects of quantum…

We theoretically investigate quantum spin transfer from spin-correlated conduction-electron pairs to localized spins in a ferromagnet, given that electrons are correlated intrinsically. We show that even spin-singlet pairs and triplet pairs…

Mesoscale and Nanoscale Physics · Physics 2026-01-09 Seongmun Hwang , Jung Hyun Oh , Paul M. Haney , Mark D. Stiles , Kyung-Jin Lee

Chirality-induced spin selectivity (CISS) has been extensively studied over the past two decades. While current-induced spin polarization in chiral molecules is widely recognized as the fundamental principle of the CISS, only a few studies…

Materials Science · Physics 2023-08-25 Kouta Kondou , Shinji Miwa , Daigo Miyajima

Electrically-induced electron spin polarization is imaged in n-type ZnSe epilayers using Kerr rotation spectroscopy. Despite no evidence for an electrically-induced internal magnetic field, current-induced in-plane spin polarization is…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. P. Stern , S. Ghosh , G. Xiang , M. Zhu , N. Samarth , D. D. Awschalom

It is known that in certain non-bipartite quasi-one dimensional spin systems in a magnetic field, in addition to the usual Pauli coupling of the spins to the field, new parity breaking three spin interactions, i.e. chiral spin interactions,…

Strongly Correlated Electrons · Physics 2009-10-31 R. Chitra , R. Citro

The effect of exchange interactions within spin pairs on spin-dependent transport and recombination rates through localized states in semiconductors during coherent electron spin resonant excitation is studied theoretically. It is shown…

Materials Science · Physics 2008-01-09 A. Gliesche , C. Michel , V. Rajevac , K. Lips , S. D. Baranovskii , F. Gebhard , C. Boehme

We discuss the electron spin resonance in two-dimensional electron gas at zero external magnetic field. This spin-resonance is due to the transitions between the electron states, which are split by the spin-orbit (SO) interaction, and is…

Strongly Correlated Electrons · Physics 2007-05-23 A. Shekhter , M. Khodas , A. M. Finkel'stein

The emission of circularly polarized light from a single quantum dot relies on the injection of carriers with well-defined spin polarization. Here we demonstrate single dot electroluminescence (EL) with a circular polarization degree up to…

Electrical injection in organic semiconductors is a key prerequisite for the realization of organic spintronics. Using density-functional theory calculations we report the effect of electron transfer into the organic molecule Alq$_3$. Our…

Materials Science · Physics 2015-05-19 Kartick Tarafder , Biplab Sanyal , Peter M. Oppeneer
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