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We derive a generalized form of the Electric Dipole Spin Resonance (EDSR) Hamiltonian in the presence of the spin-orbit interaction for single spins in an elliptic quantum dot (QD) subject to an arbitrary (in both direction and magnitude)…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Massoud Borhani , Xuedong Hu

A theory of Electric Dipole Spin Resonance (EDSR), that is caused by various mechanisms of spin-orbit coupling, is developed as applied to free electrons in a parabolic quantum well. Choosing a parabolic shape of the well has allowed us to…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Al. L. Efros , E. I. Rashba

One of the hallmarks of spintronics is the control of magnetic moments by electric fields enabled by strong spin-orbit interaction (SOI) in semiconductors. A powerful way of manipulating spins in such structures is electric dipole induced…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Mathias Duckheim , Daniel Loss

In this work we present a comprehensive theory of spin physics in planar Ge hole quantum dots in an in-plane magnetic field, where the orbital terms play a dominant role in qubit physics, and provide a brief comparison with experimental…

We study the electric-dipole transitions for a single electron in a double quantum dot located in a semiconductor nanowire. Enabled by spin-orbit coupling (SOC), electric-dipole spin resonance (EDSR) for such an electron can be generated…

Mesoscale and Nanoscale Physics · Physics 2018-05-16 Zhi-Hai Liu , Rui Li , Xuedong Hu , J. Q. You

Very recently, the electric dipole spin resonance (EDSR) of single electrons in quantum dots was discovered by three independent experimental groups. Remarkably, these observations revealed three different mechanisms of EDSR: coupling of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Emmanuel I. Rashba

Quantum computation with electron spin qubits requires coherent and efficient manipulation of these spins, typically accomplished through the application of alternating magnetic or electric fields for electron spin resonance (ESR). In…

The electric dipole spin resonance (EDSR) combining strong spin-orbit coupling (SOC) and electric-dipole transitions facilitates fast spin control in a scalable way, which is the critical aspect of the rapid progress made recently in…

Mesoscale and Nanoscale Physics · Physics 2022-03-14 Yang Liu , Jia-Xin Xiong , Zhi Wang , Wen-Long Ma , Shan Guan , Jun-Wei Luo , Shu-Shen Li

The phenomenon of spin resonance has had far reaching influence since its discovery nearly 70 years ago. Electron spin resonance (ESR) driven by high frequency magnetic fields has informed our understanding of quantum mechanics, and finds…

Mesoscale and Nanoscale Physics · Physics 2009-10-27 S. M. Frolov , S. Luscher , W. Yu , Y. Ren , J. A. Folk , W. Wegscheider

Micromagnet-based electric dipole spin resonance (EDSR) offers an attractive path for the near-term scaling of dense arrays of silicon spin qubits in gate-defined quantum dots while maintaining long coherence times and high control…

Electric dipole spin resonance (EDSR) is a commonly used tool for manipulation and spectroscopy of quantum-dot-based spin qubits. When an EDSR experiment is embedded in a transport setup and Pauli spin blockade is used as means for…

Mesoscale and Nanoscale Physics · Physics 2021-08-23 Arnau Sala , Jeroen Danon

We propose purely electric manipulation of spin qubits by means of the spin-orbit interaction (SOI) {\it without magnetic field or magnets} in a double-quantum dot. All the unitary transformations can be constructed by the time-dependent…

Mesoscale and Nanoscale Physics · Physics 2010-11-08 Atsuo Shitade , Motohiko Ezawa , Naoto Nagaosa

We investigate the electric manipulation of a single electron spin in a single gate-defined quantum dot. We observe that so-far neglected differences between the hyperfine and spin-orbit mediated electric dipole spin resonance conditions…

Quantum Physics · Physics 2013-06-27 M. Shafiei , K. C. Nowack , C. Reichl , W. Wegscheider , L. M. K. Vandersypen

In this theoretical study we qualitatively and quantitatively investigate the electric dipole spin resonance (EDSR) in a single Si/SiGe quantum dot in the presence of a magnetic field gradient, e.g., produced by a ferromagnet. We model a…

Mesoscale and Nanoscale Physics · Physics 2016-06-01 Marko J. Rančić , Guido Burkard

Spin-orbit (SO) interaction critically influences electron spin dynamics and spin transport in bulk semiconductors and semiconductor microstructures. This interaction couples electron spin to dc and ac electric fields. Spin coupling to ac…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Emmanuel I. Rashba

Silicon hole quantum dots have been the subject of considerable attention thanks to their strong spin-orbit coupling enabling electrical control. The physics of silicon holes is qualitatively different from germanium holes and requires a…

Mesoscale and Nanoscale Physics · Physics 2024-04-24 Zhanning Wang , Abhikbrata Sarkar , S. D. Liles , Andre Saraiva , A. S. Dzurak , A. R. Hamilton , Dimitrie Culcer

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

Coherent control of individual atomic and molecular spins on surfaces has recently been demonstrated by using electron spin resonance (ESR) in a scanning tunneling microscope (STM). Here we present a combined experimental and modeling study…

We theoretically study coherent subharmonic (multi-photon) transitions of a harmonically driven spin. We consider two cases: magnetic resonance (MR) with a misaligned, i.e., non-transversal driving field, and electrically driven spin…

Mesoscale and Nanoscale Physics · Physics 2015-08-19 Judit Romhányi , Guido Burkard , András Pályi

A recently discovered mechanism of electric dipole spin resonance, mediated by the hyperfine interaction, is investigated experimentally and theoretically. The effect is studied using a spin-selective transition in a GaAs double quantum…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 E. A. Laird , C. Barthel , E. I. Rashba , C. M. Marcus , M. P. Hanson , A. C. Gossard
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