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Related papers: ESR theory for interacting 1D quantum wires

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A microscopic picture of electron-electron pair scattering in single mode quantum wires is introduced which includes electron spin. A new source of `excess' noise for hot carriers is presented. We show that zero magnetic field `spin'…

Condensed Matter · Physics 2009-10-22 Gerhard Fasol , Hiroyuki Sakaki

In this paper, we report on simulations of an Electron Spin Resonance (ESR) RF control line for semiconductor electron spin qubits. The simulation includes both the ESR line characteristics (geometry and configuration, stack and material…

Quantum dots patterned by atomically precise placement of phosphorus donors in single crystal silicon have long spin lifetimes, advantages in addressability, large exchange tunability, and are readily available few-electron systems. To be…

Mesoscale and Nanoscale Physics · Physics 2016-07-06 Yu Wang , Chin-Yi Chen , Gerhard Klimeck , Michelle Y. Simmons , Rajib Rahman

We investigate a one-dimensional wire of interacting electrons connected to semi-infinite leads in the absence and in the presence of a backscattering potential. An incident electron on the clean wire is perfectly transmitted into spatially…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 I. Safi , H. J. Schulz

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

The spin dynamics of GdI_2 have been investigated by ESR spectroscopy. The temperature dependences of the resonance field and ESR intensity are well described by the model for the spin susceptibility proposed by Eremin et al. [Phys. Rev. B…

Strongly Correlated Electrons · Physics 2009-11-10 J. Deisenhofer , H. -A. Krug von Nidda , A. Loidl , K. Ahn , R. K. Kremer , A. Simon

Due to the spin-orbital coupling in a semiconductor quantum dot, a freely precessing electron spin produces a time-dependent charge density. This creates a sizeable electric field outside the dot, leading to promising applications in…

Mesoscale and Nanoscale Physics · Physics 2008-04-12 L. S. Levitov , E. I. Rashba

We present analysis of a single channel interacting quantum wire problem in the presence of spin-orbit interaction. The spin-orbit coupling breaks the spin-rotational symmetry from SU(2) to U(1) and breaks inversion symmetry. The low-energy…

Mesoscale and Nanoscale Physics · Physics 2015-07-28 Nikolaos Kainaris , Sam T. Carr

Cu(C$_8$H$_6$N$_2$)Cl$_2$, a strong-rung spin-1/2 Heisenberg ladder compound, is probed by means of electron spin resonance (ESR) spectroscopy in the field-induced gapless phase above $H_{c1}$. The temperature dependence of the ESR…

Strongly Correlated Electrons · Physics 2016-04-19 A. N. Ponomaryov , M. Ozerov , L. Zviagina , J. Wosnitza , K. Yu. Povarov , F. Xiao , A. Zheludev , C. Landee , E. Čižmár , A. A. Zvyagin , S. A. Zvyagin

Interactions in one-dimensional (1D) electron systems are expected to cause a dynamical separation of electronic spin and charge degrees of freedom. A promising system for experimental observation of this non-Fermi-liquid effect consists of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 U. Zuelicke , M. Governale

We investigate the electronic Raman scattering in pure, quasi-one dimensional conductors with density wave ground state. In particular, we develop the theory of light-scattering on spin and charge density waves, both conventional and…

Strongly Correlated Electrons · Physics 2009-11-10 András Ványolos , Attila Virosztek

We analyze a single electron transistor composed of two semi-infinite one dimensional quantum wires and a relatively short segment between them. We describe each wire section by a Luttinger model, and treat tunneling events in the…

Strongly Correlated Electrons · Physics 2009-11-10 Jaeuk U. Kim , Ilya V. Krive , Jari M. Kinaret

The development of electron spin resonance (ESR) combined with scanning tunneling spectroscopy (STM) is undoubtedly one of the main experimental breakthroughs in surface science of the last decade thanks to joining the extraordinarily high…

Strongly Correlated Electrons · Physics 2022-08-31 Fernando Delgado , Nicolás Lorente

We describe a fully broadband approach for electron spin resonance (ESR) experiments where it is possible to not only tune the magnetic field but also the frequency continuously over wide ranges. Here a metallic coplanar transmission line…

Electron dynamics in quantum dots manifests itself in spin-flip spectra through electric dipole spin resonance (EDSR). Near a neutrality point separating two different singlet charged states of a double quantum dot, charge dynamics inside a…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Emmanuel I. Rashba

This dissertation focuses on a theoretical study of interacting electrons in one dimension. The research elucidates the ground state (zero temperature) electronic phase diagram of an aluminum arsenide quantum wire which is an example of an…

Strongly Correlated Electrons · Physics 2009-09-29 Trinanjan Datta

Integration of electron spin resonance (ESR) in a scanning tunneling microscope (STM) has enabled an all-electrical control of atomic and molecular spins on solid surfaces with atomic-scale precision and energy resolution beyond thermal…

Mesoscale and Nanoscale Physics · Physics 2025-09-03 Deung-Jang Choi , Soo-hyon Phark , Andreas J. Heinrich , Nicolás Lorente

We report experimental verification of the recently predicted collective modes of spinons, stabilized by backscattering interaction, in a model quantum spin chain material. We exploit the unique geometry of uniform Dzyaloshinskii-Moriya…

Strongly Correlated Electrons · Physics 2022-05-09 Kirill Yu. Povarov , Timofei A. Soldatov , Ren-Bo Wang , Andrey Zheludev , Alexander I. Smirnov , Oleg A. Starykh

We report the detection of electron spin resonance (ESR) in individual dimers of the stable free radical 2,2,6,6-tetramethyl-piperidine-1-oxyl (TEMPO). ESR is measured by the current fluctuations in a scanning tunnelling microscope (ESR-STM…

Mesoscale and Nanoscale Physics · Physics 2023-05-25 Yishay Manassen , Moamen Jbara , Michael Averbukh , Zion Hazan , Carsten Henkel , Baruch Horovitz

We report electron spin resonance (ESR) measurements on a large-area silicon MOSFET. An ESR signal at g-factor 1.9999(1), and with a linewidth of 0.6 G, is observed and found to arise from two-dimensional (2D) electrons at the Si/SiO2…

Materials Science · Physics 2009-12-20 S. Shankar , A. M. Tyryshkin , S. Avasthi , S. A. Lyon