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The spin relaxation time due to the electron-acoustic phonon scattering in GaAs quantum dots is studied after the exact diagonalization of the electron Hamiltonian with the spin-orbit coupling. Different effects such as the magnetic field,…

Condensed Matter · Physics 2012-07-02 J. L. Cheng , M. W. Wu , C. Lü

Materials and systems that exhibit persistent spin texture provide a platform for creating robust spin states that can be used in quantum computing, memory storage, and other advanced technological applications. In this paper we show that…

Mesoscale and Nanoscale Physics · Physics 2025-01-13 Paulina Jureczko , Marko Milivojević , Marcin Kurpas

Spin-orbit interaction is an important vehicle for spin relaxation. At finite temperature lattice vibrations modulate the spin-orbit interaction and thus generate a mechanism for spin-phonon coupling, which needs to be incorporated in any…

Materials Science · Physics 2018-09-26 Subhayan Roychoudhury , Stefano Sanvito

Recent experimental and theoretical studies have established that the spin-lattice relaxation rate, $1/T_1$, measured in nuclear magnetic resonance (NMR) experiments is a site-sensitive probe for the electronic spectrum in the mixed state…

Superconductivity · Physics 2009-10-31 Dirk K. Morr

We analyze the temperature dependence of the electron spin resonance linewidth above the critical region in exchange-coupled magnetic insulators. The focus is on separating the contributions to the linewidth from spin-spin interactions,…

Materials Science · Physics 2017-06-27 M. Acikgoz , D. L. Huber

Microscopic coupling between the electron spin and the lattice vibration is responsible for an array of exotic properties from morphic effects in simple magnets to magnetodielectric coupling in multiferroic spinels and hematites.…

Materials Science · Physics 2022-07-22 Mingqiang Gu , Y. H. Bai , G. P. Zhang , Thomas F. George

We have studied the spin dynamics of a high-mobility two-dimensional electron system in a GaAs/Al_{0.3}Ga_{0.7}As single quantum well by time-resolved Faraday rotation and time-resolved Kerr rotation in dependence on the initial degree of…

Materials Science · Physics 2011-11-10 D. Stich , J. Zhou , T. Korn , R. Schulz , D. Schuh , W. Wegscheider , M. W. Wu , C. Schüller

Considering metallic films at room temperature, we present the first theoretical study of the spin Nernst and thermal Edelstein effects which takes into account dynamical spin-orbit coupling, i.e., direct spin-orbit coupling with the…

Mesoscale and Nanoscale Physics · Physics 2014-12-17 Sebastian Tölle , Cosimo Gorini , Ulrich Eckern

The coordination complexes of Yb(III) exhibit some of the longest spin coherence times among 4f compounds, making them a promising platform for molecular quantum technologies. While spin-phonon relaxation remains a limiting factor for…

Materials Science · Physics 2026-03-13 Giacomo Sansone , Lorenzo A. Mariano , Stefano Carretta , Paolo Santini , Alessandro Lunghi

Modeling spin-wave (magnon) dynamics in novel materials is important to advance spintronics and spin-based quantum technologies. The interactions between magnons and lattice vibrations (phonons) limit the length scale for magnon transport.…

We study the spin-phonon relaxation rate of both Kramers and non-Kramers molecular magnets in strongly diluted samples at low temperature. Using the "rotational" contribution to the spin-phonon Hamiltonian, universal formulae for the…

Strongly Correlated Electrons · Physics 2018-01-31 Le Tuan Anh Ho , Liviu F. Chibotaru

Spin relaxation of a single electron in a weakly coupled double quantum dot is calculated numerically. The phonon assisted spin flip is allowed by the presence of the linear and cubic spin-orbit couplings and nuclear spins. The rate is…

Mesoscale and Nanoscale Physics · Physics 2014-09-02 Martin Raith , Thomas Pangerl , Peter Stano , Jaroslav Fabian

The fundamental spin-orbit coupling and spin mixing in graphene and rippled honeycomb lattice materials silicene, germanene, stanene, blue phosphorene, arsenene, antimonene, and bismuthene is investigated from first principles. The…

Mesoscale and Nanoscale Physics · Physics 2019-09-25 Marcin Kurpas , Paulo E. Faria Junior , Martin Gmitra , Jaroslav Fabian

This work considers the g-tensor anisotropy induced by the flexural thermal vibrations in one-dimensional structures and its role in electron spin relaxation. In particular, the mechanism of spin-lattice relaxation via flexural modes is…

Materials Science · Physics 2009-11-13 K. M. Borysenko , Y. G. Semenov , K. W. Kim

We report the first measurement of 1/f type noise associated with electronic spin transport, using single layer graphene as a prototypical material with a large and tunable Hooge parameter. We identify the presence of two contributions to…

Mesoscale and Nanoscale Physics · Physics 2017-02-09 S. Omar , M. H. D. Guimarães , A. Kaverzin , B. J. van Wees , I. J. Vera-Marun

We have investigated spin relaxation times in CdTe quantum dots doped with a single Mn atom, a prototype of a system where the interaction between a single charge carrier and a single spin takes place. A theoretical model that was used…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Marko D. Petrović , Nenad Vukmirović

Recent discovery of new materials for thermoelectric energy conversion is enabled by efficient prediction of materials' performance from first-principles, without empirically fitted parameters. The novel simplified approach for computing…

Materials Science · Physics 2018-05-02 Georgy Samsonidze , Boris Kozinsky

The inhomogeneity of an electron spin ensemble as well as fluctuating environment acting upon individual spins drastically shorten the spin coherence time $T_2$ and hinder coherent spin manipulation. We show that this problem can be solved…

Mesoscale and Nanoscale Physics · Physics 2021-10-13 V. V. Belykh , A. R. Korotneva , D. R. Yakovlev

We investigate the singlet-triplet relaxation due to the spin-orbit coupling together with the electron-phonon scattering in two-electron multivalley silicon single quantum dots, using the exact diagonalization method and the Fermi golden…

Mesoscale and Nanoscale Physics · Physics 2010-06-30 L. Wang , K. Shen , B. Y. Sun , M. W. Wu

This article reviews the theory of electron-phonon interactions in solids from the point of view of ab-initio calculations. While the electron-phonon interaction has been studied for almost a century, predictive non-empirical calculations…

Materials Science · Physics 2017-03-08 Feliciano Giustino