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Related papers: Persistent spin and mass currents and Aharonov-Cas…

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The theory of the long range order of orbital current loops in the pseudogap phase is generalized to include the effects of spin-orbit scattering. It is shown by symmetry arguments as well as by microscopic calculation that a specific…

Superconductivity · Physics 2009-11-11 Vivek Aji , Chandra Varma

In this review we will discuss the experimental and theoretical progresses in studying spin-orbit coupled degenerate atomic gases during the last two years. We shall first review a series of pioneering experiments in generating synthetic…

Quantum Gases · Physics 2012-02-03 Hui Zhai

Generation of spin current from lattice distortion dynamics in metals is studied with special attention on the effect of spin-orbit coupling. Treating the lattice distortion by local coordinate transformation, we calculate spin current and…

Mesoscale and Nanoscale Physics · Physics 2018-07-23 Takumi Funato , Hiroshi Kohno

Employing unbiased large-scale time-dependent density-matrix renormalization-group simulations, we demonstrate the generation of a charge-current vortex via spin injection in the Rashba system. The spin current is polarized perpendicular to…

Mesoscale and Nanoscale Physics · Physics 2021-04-16 Florian Lange , Satoshi Ejima , Junji Fujimoto , Tomonori Shirakawa , Holger Fehske , Seiji Yunoki , Sadamichi Maekawa

We study the Pauli--Schr\"odinger equation in a uniformly rotating frame of reference to describe a coupling of spins and mechanical rotations. The explicit form of the spin-orbit interaction (SOI) with the inertial effects due to the…

Mesoscale and Nanoscale Physics · Physics 2011-02-22 Mamoru Matsuo , Jun'ichi Ieda , Eiji Saitoh , Sadamichi Maekawa

We study persistent currents for interacting one-dimensional bosons on a tight ring trap, subjected to a rotating barrier potential, which induces an artificial U(1) gauge field. We show that, at intermediate interactions, the persistent…

Quantum Gases · Physics 2014-07-09 Marco Cominotti , Davide Rossini , Matteo Rizzi , Frank Hekking , Anna Minguzzi

The behavior of persistent current in a mesoscopic cylinder threaded by an Aharonov-Bohm flux $\phi$ is carefully investigated within a Hartree-Fock mean field approach. We examine the combined effect of second-neighbor hopping integral and…

Mesoscale and Nanoscale Physics · Physics 2011-07-26 Santanu K. Maiti

A brief review is given on the spin Hall effect, where an external electric field induces a transverse spin current. It has been recognized over 30 years that such effect occurs due to impurities in the presence of spin-orbit coupling.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Shuichi Murakami

We study the interference effect induced by the Aharonov-Casher phase on the Josephson current through a semiconducting ring attached to superconducting leads. Using a 1D model that incorporates spin-orbit coupling in the semiconducting…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Xin Liu , M. F. Borunda , Xiong-Jun Liu , Jairo Sinova

We use the Bogoliubov-de Gennes formalism and study the ground-state phases of trapped spin-orbit coupled Fermi gases in two dimensions. Our main finding is that the presence of a symmetric (Rashba type) spin-orbit coupling spontaneously…

Quantum Gases · Physics 2013-06-21 E. Doko , A. L. Subasi , M. Iskin

We have measured highly visible Aharonov-Bohm (AB) oscillations in a ring structure defined by local anodic oxidation on a p-type GaAs heterostructure with strong spin-orbit interactions. Clear beating patterns observed in the raw data can…

Mesoscale and Nanoscale Physics · Physics 2007-10-31 Boris Grbic , Renaud Leturcq , Thomas Ihn , Klaus Ensslin , Dirk Reuter , Andreas D. Wieck

We study the Kondo effect in a quantum dot embedded in a mesoscopic ring taking into account intradot spin-flip scattering $R$. Based on the finite-$U$ slave-boson mean-field approach, we find that the Kondo peak in the density of states is…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Bing Dong , G. H. Ding , H. L. Cui , X. L. Lei

For a believer in locality of Nature, the Aharonov-Bohm effect and the Aharonov-Casher effect are paradoxes. I discuss these and other Aharonov's paradoxes and propose a local explanation of these effects. If the solenoid in the…

Quantum Physics · Physics 2015-06-12 Lev Vaidman

In this work we investigate magneto-optical properties of two-dimensional semiconductor quantum-ring excitons with Rashba and Dresselhaus spin-orbit interactions threaded by a magnetic flux perpendicular to the plane of the ring. By…

Mesoscale and Nanoscale Physics · Physics 2018-03-08 Wen-Hsuan Kuan , Vidar Gudmundsson

The Aharonov-Bohm effect is a quantum mechanical phenomenon that demonstrates how potentials can have observable effects even when the classical fields associated with those potentials are absent. Initially proposed for electromagnetic…

Quantum Physics · Physics 2024-09-05 Michael E Tobar , Michael T Hatzon , Graeme R Flower , Maxim Goryachev

We show theoretically that the strong coupling of circularly polarized photons to an exciton in ring-like semiconductor nanostructures results in physical nonequivalence of clockwise and counterclockwise exciton rotations in the ring. As a…

Mesoscale and Nanoscale Physics · Physics 2015-06-10 O. V. Kibis , H. Sigurdsson , I. A. Shelykh

We consider a system of two spins under a scanning tunneling microscope bias and derive its master equation. We find that the tunneling elements to the electronic contacts (tip and substrate) generate an exchange interaction between the…

Mesoscale and Nanoscale Physics · Physics 2021-08-25 Baruch Horovitz , Carsten Henkel

We consider an Aharonov-Bohm interferometer, connected to two electronic reservoirs, with a quantum dot embedded on one of its arms. We find a general expression for the persistent current at steady state, valid for the case where the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 O. Entin-Wohlman , Y. Imry , A. Aharony

We propose an idea to investigate persistent current in individual arms of a multi-arm mesoscopic ring. Following a brief description of persistent current in a traditional Aharonov-Bohm (AB) ring, we examine the behavior of persistent…

Mesoscale and Nanoscale Physics · Physics 2011-02-02 Santanu K. Maiti , Srilekha Saha , S. N. Karmakar

Spin-exchange collisions in alkali or alkali/noble gas vapors are at the basis of quantum sensing, nucleon structure studies, tests of fundamental symmetries, and medical imaging. We here show that spin-exchange collisions in hot alkali…

Atomic Physics · Physics 2021-01-13 K. Mouloudakis , I. K. Kominis