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Related papers: Spin-orbit interaction in symmetric wells with two…

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We present a theoretical study of the superfluidity and the corresponding collective modes in two-component atomic Fermi gases with s-wave attraction and synthetic Rashba spin-orbit coupling. The general effective action for the collective…

Quantum Gases · Physics 2013-07-25 Lianyi He , Xu-Guang Huang

We present the exact wave functions and energy levels for an electron in a two-dimensional quantum ring with confining potential of finite depth in the presence of the Rashba spin-orbit interaction.

Mathematical Physics · Physics 2011-12-08 V. V. Kudryashov

The spin-Hall effect in the two-dimensional electron gas (2DEG) generates symmetric out-of-plane spin Sz accumulation about the current axis in the absence of external magnetic field. Here we employ the real space Landauer-Keldysh formalism…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Son-Hsien Chen , Ming-Hao Liu , Kuo-Wei Chen , Ching-Ray Chang

We study theoretically the quantum transport properties of the Dirac fermions with spin-orbit interactions (SOIs) in graphene by using the method of Schwinger proper time together with decomposition over Landau level poles and Kubo formula.…

Mesoscale and Nanoscale Physics · Physics 2008-08-09 Kai-He Ding , Guanghui Zhou , Zhen-Gang Zhu

In these lecture notes we study the disordered two-dimensional electron gas in the presence of Rashba spin-orbit coupling, by using the Keldysh non-equilibrium Green function technique. We describe the effects of the spin-orbit coupling in…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Roberto Raimondi , Cosimo Gorini , Sebastian Tölle

Larmor's theorem holds for magnetic systems that are invariant under spin rotation. In the presence of spin-orbit coupling this invariance is lost and Larmor's theorem is broken: for systems of interacting electrons, this gives rise to a…

Mesoscale and Nanoscale Physics · Physics 2017-07-12 Shahrzad Karimi , Florent Baboux , Florent Perez , Carsten A. Ullrich , Grzegorz Karczewski , Tomasz Wojtowicz

We report on the selectivity to spin in a drag measurement. This selectivity to spin causes deep minima in the magneto-drag at odd fillingfactors for matched electron densities at magnetic fields and temperatures at which the bare spin…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 J. G. S. Lok , S. Kraus , M. Pohlt , W. Dietsche , K. von Klitzing , W. Wegscheider , M. Bichler

The Edelstein effect provides the purely electrical generation and control of a homogeneous magnetization in primarily nonmagnetic materials with broken inversion symmetry. Usually, only the spin density response to an external electric…

Mesoscale and Nanoscale Physics · Physics 2021-03-31 Annika Johansson , Börge Göbel , Jürgen Henk , Manuel Bibes , Ingrid Mertig

We measure simultaneously the in-plane electron g-factor and spin relaxation rate in a series of undoped inversion-asymmetric (001)-oriented GaAs/AlGaAs quantum wells by spin-quantum beat spectroscopy. In combination the two quantities…

Mesoscale and Nanoscale Physics · Physics 2011-07-11 P. S. Eldridge , J. Hübner , S. Oertel , R. T. Harley , M. Henini , M. Oestreich

We present the findings of the spin-dependent transport of the 2D holes in the p-type ultra-narrow self-assembled silicon quantum well (Si-QW) confined by the superconductor barriers on the n-type Si (100) surface. The Aharonov-Casher…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. T. Bagraev , M. I. Bovt , W. Gehlhoff , O. N. Guimbitskaya , L. E. Klyachkin , A. M. Malyarenko , V. A. Mashkov , V. V. Romanov , S. A. Rykov

We illuminate the superconducting phases in [001]-grown-noncentrosymmetric quantum wells with an anisotropic spin-orbit coupling in the presence of on-site Hubbard interaction. Within the random phase approximation, we investigate the…

Superconductivity · Physics 2019-06-20 Mehdi Biderang , Mohammad-Hossein Zare , Alireza Akbari

We investigate the spin-current linear response conductivity tensor to an electric field in a paramagnetic two dimensonal electron gas with both Rashba and Dresselhaus spin-orbit coupling in the weak scattering regime. In the ususal case…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 N. A. Sinitsyn , E. M. Hankiewicz , W. Teizer , Jairo Sinova

We present analysis of the interacting quantum wire problem in the presence of magnetic field and spin-orbit interaction. We show that an interesting interplay of Zeeman and spin-orbit terms, facilitated by the electron-electron…

Strongly Correlated Electrons · Physics 2007-05-23 Jianmin Sun , Suhas Gangadharaiah , Oleg A. Starykh

Layered oxide heterostructures are the new routes to tailor desired electronic and magnetic phases emerging from competing interactions involving strong correlation, orbital hopping, tunnelling and lattice coupling phenomena. Here, we…

Strongly Correlated Electrons · Physics 2018-10-02 S. Samanta , S. B. Mishra , B. R. K. Nanda

The beating pattern of Shubnikov-de Haas oscillations in 2D electron system in the presence of a Rashba zero-field spin splitting is reproduced. It is shown, taking into account the Zeeman splitting, that the explicit formulae for the node…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. V. Cheremisin , A. S. Furman

The spin Hall effect is investigated in a two-orbital tight-binding model on a honeycomb lattice. We show that the model exhibits three topologically-different insulating phases at half filling, which are distinguished by different…

Strongly Correlated Electrons · Physics 2015-04-15 Satoru Hayami , Hiroaki Kusunose , Yukitoshi Motome

In this work we study interacting electrons on square lattice in the presence of strong Rashba spin-orbit interaction. The spin-orbit term forces the time-reversal electron states to be paired in even Cooper channels. For concreteness, we…

Strongly Correlated Electrons · Physics 2019-03-27 Rasoul Ghadimi , Mehdi Kargarian , S. Akbar Jafari

The transport properties of a magnetic two dimensional electron gas consisting of a modulation doped n type HgMnTe/HgCdTe quantum well, QW, have been investigated. By analyzing the Shubnikov-de Haas oscillations and the node positions of…

Strongly Correlated Electrons · Physics 2007-05-23 Y. S. Gui , C. R. Becker , J. Liu , V. Daumer , V. Hock , H. Buhmann , L. W. Molenkamp

The coupling of the spin of electrons to their motional state lies at the heart of recently discovered topological phases of matter. Here we create and detect spin-orbit coupling in an atomic Fermi gas, a highly controllable form of quantum…

We make detailed analysis of each possible spin-orbit coupling of zincblende narrow-gap cylindrical quantum dots built in two-dimensional electron gas. These couplings are related to both bulk (Dresselhaus) and structure (Rashba) inversion…

Atomic Physics · Physics 2007-05-23 C. F. Destefani , S. E. Ulloa , G. E. Marques
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