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We study spin control for an electron confined in a flake of silicene. We find that the lowest-energy conduction-band levels are split by the diagonal intrinsic spin-orbit coupling into Kramers doublets with a definite projection of the…

Mesoscale and Nanoscale Physics · Physics 2018-04-30 Bartlomiej Szafran , Alina Mrenca-Kolasinska , Bartlomiej Rzeszotarski , Dariusz Zebrowski

The spin-orbit torque, a torque induced by a charge current flowing through the heavy-metal conducting layer with strong spin-orbit interactions, provides an efficient way to control the magnetization direction in heavy-metal/ferromagnet…

Motivated by recent developments in measurements of electron spin resonances of individual atoms and molecules with the scanning tunneling microscope (ESR-STM), we study electron transport through an impurity under periodic driving as a…

Mesoscale and Nanoscale Physics · Physics 2023-06-21 Jose Reina-Gálvez , Christoph Wolf , Nicolás Lorente

We investigate the spin dynamics of a quantum dot with a spin-1/2 ground state in the Coulomb blockade regime and in the presence of a magnetic rf field leading to electron spin resonances (ESR). We show that by coupling the dot to leads,…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Hans-Andreas Engel , Daniel Loss

High frequency electron spin resonance (ESR) spectroscopy is an invaluable tool for identification and characterization of spin systems. Nanoscale ESR using the nitrogen-vacancy (NV) center has been demonstrated down to the level of a…

Mesoscale and Nanoscale Physics · Physics 2020-05-05 Benjamin Fortman , Junior Pena , Karoly Holczer , Susumu Takahashi

New phenomenon is experimentally identified: ferroelectrical spin wave resonance (FE SWR), which consist in characteristic splitting of vibration (electronic-vibration) levels in optical spectra of interacting localized centers. Spectral…

Other Condensed Matter · Physics 2015-05-14 D. P. Yearchuck , E. D. Yerchak , A. I. Kirilenko , V. I. Popechits

An attempt is made to bypass spectral analysis and fit internal coordinates of radicals directly to experimental liquid- and solid-state electron spin resonance (ESR) spectra. We take advantage of the recently introduced large-scale spin…

Chemical Physics · Physics 2014-07-16 G. T. P. Charnock , M. Krzystyniak , Ilya Kuprov

Traditional approaches to controlling single spins in quantum dots require the generation of large electromagnetic fields to drive many Rabi oscillations within the spin coherence time. We demonstrate "flopping-mode" electric dipole spin…

Mesoscale and Nanoscale Physics · Physics 2020-01-15 X. Croot , X. Mi , S. Putz , M. Benito , F. Borjans , G. Burkard , J. R. Petta

Coupling a single spin to high-frequency mechanical motion is a fundamental bottleneck of applications such as quantum sensing, intermediate and long-distance spin-spin coupling, and classical and quantum information processing. Previous…

The spin dynamics of the ferromagnetic Kondo lattice CeRuPO is investigated by Electron Spin Resonance (ESR) at microwave frequencies of 1, 9.4, and 34~GHz. The measured resonance can be ascribed to a rarely observed bulk Ce3+ resonance in…

Strongly Correlated Electrons · Physics 2010-10-13 T. Förster , J. Sichelschmidt , C. Krellner , C. Geibel , F. Steglich

We have studied the spin and exchange coupling of Ti atoms on a Cu$_2$N/Cu(100) surface using density functional theory. We find that individual Ti have a spin of 1.0 (i.e., 2 Bohr Magneton) on the Cu$_2$N/Cu(100) surface instead of…

Materials Science · Physics 2013-05-29 Raghani Pushpa , Jesus Cruz , Barbara Jones

Single particle interference lies at the heart of quantum mechanics. The archetypal double-slit experiment has been repeated with electrons in vacuum up to the more massive $C_{60}$ molecules. Mesoscopic rings threaded by a magnetic flux…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Andrea Donarini , Georg Begemann , Milena Grifoni

Electron spin resonance (ESR) is a powerful tool for characterizing and manipulating spin systems, but commercial ESR spectrometers can be expensive and designed to work in narrow frequency bands. This work presents an inexpensive…

Instrumentation and Detectors · Physics 2024-08-01 Charles A. Collett , Sofia M. Davvetas , Abdulelah Alsuhaymi , Grigore A. Timco

Quantum entanglement is a fundamental resource for quantum information processing, and its controlled generation and detection remain key challenges in scalable quantum architectures. Here, we numerically demonstrate the deterministic…

We provide the first evidence for coherence and Rabi oscillations of spin-solitons pinned by the local breaking of translational symmetry in isotropic Heisenberg chains (simple antiferromagnetic-N\'{e}el or spin-Peierls).We show that these…

Strongly Correlated Electrons · Physics 2015-06-18 Sylvain Bertaina , Charles-Emmanuel Dutoit , Johan Van Tol , Martin Dressel , Bernard Barbara , Anatoli Stepanov

In electric dipole spin resonance (EDSR), a single spin is electrically driven in the field gradient produced by a micromagnet. While EDSR has enabled high fidelity gate operations in many devices, there are reports of unexpected…

Mesoscale and Nanoscale Physics · Physics 2026-03-10 Tanner M. Janda , Heun Mo Yoo , Connor Nasseraddin , Adam R. Mills , Zhaoyi Joy Zheng , Jason R. Petta

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

Electron Paramagnetic Resonance experiments show that the decay of Rabi oscillations of ensembles of spin qubits depends noticeably on the microwave power and more precisely on the Rabi frequency, an effect recently called "driven…

Quantum Physics · Physics 2015-06-03 H. De Raedt , B. Barbara , S. Miyashita , K. Michielsen , S. Bertaina , S. Gambarelli

High spin systems, like those that incorporate rare-earth $4f$ elements (REEs), are increasingly relevant in many fields. Although research in such systems is sparse, the large Hilbert spaces they occupy are promising for many applications.…

Mesoscale and Nanoscale Physics · Physics 2023-08-16 David W. Facemyer , Naveen K. Dandu , Alex Taekyung Lee , Vijay R. Singh , Anh T. Ngo , Sergio E. Ulloa

We present an instrument to perform frequency-domain electron spin resonance (ESR) experiments that is based on coplanar waveguides and field modulation. A large parameter space in frequency (up to 25 GHz), magnetic field (up to 8 T), and…

Instrumentation and Detectors · Physics 2020-02-11 Björn Miksch , Martin Dressel , Marc Scheffler