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Related papers: Electronic spin working mechanically

200 papers

Spin is a fundamental property of all elementary particles. Classically it can be viewed as a tiny magnetic moment, but a measurement of an electron spin along the direction of an external magnetic field can have only two outcomes: parallel…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. M. Elzerman , R. Hanson , L. H. Willems van Beveren , B. Witkamp , L. M. K. Vandersypen , L. P. Kouwenhoven

Shuttling of single electrons in gate-defined silicon quantum dots is numerically simulated. A minimal gate geometry without explicit tunnel barrier gates is introduced, and used to define a chain of accumulation mode quantum dots, each…

Quantum Physics · Physics 2021-01-01 Brandon Buonacorsi , Benjamin Shaw , Jonathan Baugh

Single-electronics and spintronics are among the most intensively investigated potential complements or alternatives to CMOS electronics. Single-electronics, which is based on the discrete charge of the electron, is the ultimate in…

We propose an approach to entangle spins of electrons floating on liquid helium by coherently manipulating their spin-orbit interactions. The configuration consists of single electrons, confined individually on liquid helium by the…

Quantum Physics · Physics 2012-11-14 Miao Zhang , L. F. Wei

We offer a general approach to calculation of single-electron tunneling spectra and conductance of a shuttle oscillating between two half-metallic leads with fully spin polarized carriers. In this case the spin-flip processes are completely…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 G. Cohen , V. Fleurov , K. Kikoin

In this paper I study the posibility of inducing a single-electron current by rotating a non-magnetic conducting rod with a small tunnel junction immerse in a uniform magnetic field perpendicular to the plane of motion. I show first, by…

Mesoscale and Nanoscale Physics · Physics 2011-12-09 Gabriel Gonzalez

The rapidly rising fields of spintronics and quantum information science have led to a strong interest in developing the ability to coherently manipulate electron spins. Electron spin resonance (ESR) is a powerful technique to manipulate…

Materials Science · Physics 2009-11-13 M. Pioro-Ladriere , T. Obata , Y. Tokura , Y. -S. Shin , T. Kubo , K. Yoshida , T. Taniyama , S. Tarucha

Circulating orbital currents produced by the spin-orbit interaction for a single electron spin in a quantum dot are explicitly evaluated at zero magnetic field, along with their effect on the total magnetic moment (spin and orbital) of the…

Mesoscale and Nanoscale Physics · Physics 2014-07-24 J. van Bree , A. Yu. Silov , P. M. Koenraad , M. E. Flatté

An idea for a nanodevice in which an arbitrary sequence of three basic quantum single qubit gates - negation, Hadamard and phase shift - can be performed on a single electron spin. The spin state is manipulated using the spin-orbit coupling…

Mesoscale and Nanoscale Physics · Physics 2009-01-18 S. Bednarek , B. Szafran

A single electron floating on the surface of a condensed noble-gas liquid or solid can act as a spin qubit with ultralong coherence time, thanks to the extraordinary purity of such systems. Previous studies suggest that the electron spin…

Mesoscale and Nanoscale Physics · Physics 2022-08-05 Qianfan Chen , Ivar Martin , Liang Jiang , Dafei Jin

We describe theoretically the spin Nernst effect for electrons tunneling to a quantum dot from a quantum wire with the heat flowing along it. Such a tunneling spin Nernst effect is shown to take place due to the spin-dependent electron…

Mesoscale and Nanoscale Physics · Physics 2024-08-08 V. N. Mantsevich , D. S. Smirnov

The ability to coherently transport electron-spin states between different sites of gate-defined semiconductor quantum dots is an essential ingredient for a quantum-dot-based quantum computer. Previous shuttles using electrostatic gating…

Mesoscale and Nanoscale Physics · Physics 2016-07-27 T. A. Baart , N. Jovanovic , C. Reichl , W. Wegscheider , L. M. K. Vandersypen

We present a comprehensive study of thermoelectric transport properties of a quantum nanoelectromechanical system (NEMS) described by a single-electron-transistor (SET) coupled to a quantum nanomechanical resonator (NR). The effects of a…

Mesoscale and Nanoscale Physics · Physics 2015-01-12 Hangbo Zhou , Juzar Thingna , Jian-Sheng Wang , Baowen Li

We experimentally demonstrate the use of a single electronic spin to measure the quantum dynamics of distant individual nuclear spins from within a surrounding spin bath. Our technique exploits coherent control of the electron spin,…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Shimon Kolkowitz , Quirin P. Unterreithmeier , Steven D. Bennett , Mikhail D. Lukin

We present a new way of continuously reading-out the state of a single electronic spin. Our detection scheme is based on an exchange interaction between the electronic spin and a nearby read-out quantum dot. The coupling between the two…

Mesoscale and Nanoscale Physics · Physics 2017-11-21 Clément Godfrin , Stefan Thiele , Karim Ferhat , Svetlana Klyatskaya , Mario Ruben , Wolfgang Wernsdorfer , Franck Balestro

The majority of experimental realizations of single-electron sources rely on the periodic manipulation of the tunnel junctions through their gate voltages, and thus require a high level of control over the system. To circumvent the…

Mesoscale and Nanoscale Physics · Physics 2022-07-08 Christopher W. Wächtler , Javier Cerrillo

We review the properties of electron shuttles, i.e. nanoelectromechanical devices that transport electrons one-by-one by utilizing a combination of electronic and mechanical degrees of freedom. We focus on the extreme quantum limit, where…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. P. Jauho , C. Flindt , Tomas Novotny , Andrea Donarini

An analytical analysis of quantum shuttle phenomena in a nanoelectromechanical single-electron transistor has been performed in the realistic case, when the electron tunnelling length is much greater than the amplitude of the zero point…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 D. Fedorets , L. Y. Gorelik , R. I. Shekhter , M. Jonson

We review recent theoretical and experimental advances toward understanding the effects of nuclear spins in confined nanostructures. These systems, which include quantum dots, defect centers, and molecular magnets, are particularly…

Mesoscale and Nanoscale Physics · Physics 2009-09-15 W. A. Coish , J. Baugh

We demonstrate high-fidelity reversible transfer of quantum information from the polarisation of photons into the spin-state of an electron-hole pair in a semiconductor quantum dot. Moreover, spins are electrically manipulated on a…