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Related papers: Spin relaxation in graphite due to spin-orbital-ph…

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The electronic band structure of graphene in the presence of spin-orbit coupling and transverse electric field is investigated from first principles using the linearized augmented plane-wave method. The spin-orbit coupling opens a gap at…

Materials Science · Physics 2013-05-29 M. Gmitra , S. Konschuh , C. Ertler , C. Ambrosch-Draxl , J. Fabian

We employ the spin absorption technique in lateral spin valves to extract the spin diffusion length of Permalloy (Py) as a function of temperature and resistivity. A linear dependence of the spin diffusion length with conductivity of Py is…

Mesoscale and Nanoscale Physics · Physics 2019-04-04 Edurne Sagasta , Yasutomo Omori , Miren Isasa , YoshiChika Otani , Luis E. Hueso , Fèlix Casanova

The ultra-fast demagnetization of small iron clusters initiated by an intense optical excitation is studied with time-dependent spin density functional theory (TDSDFT). In particular we investigate the effect of the spin-orbit interaction…

Mesoscale and Nanoscale Physics · Physics 2016-07-27 Maria Stamenova , Jacopo Simoni , Stefano Sanvito

Utilizing time-resolved Kerr rotation techniques, we have investigated the spin dynamics of a high mobility, low density two dimensional electron gas in a GaAs/Al0:35Ga0:65As heterostructure in dependence on temperature from 1.5 K to 30 K.…

Other Condensed Matter · Physics 2009-11-13 X. Z. Ruan , H. H. Luo , Yang Ji , Z. Y. Xu , V. Umansky

We present accurate ab initio and quantum scattering calculations on a prototypical hybrid ion-atom system Yb$^+$-Rb, recently suggested as a promising candidate for the experimental study of open quantum systems, quantum information…

Atomic Physics · Physics 2016-09-29 Timur V. Tscherbul , Paul Brumer , Alexei A. Buchachenko

We study the spin relaxation in an interacting two--dimensional electron gas in a strong magnetic field for the case that the electron density is close to filling just one Landau sub--level of one spin projection, i.e., for filling factor…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 W. Apel , Yu. A. Bychkov

We investigated microscopic lattice states in the donor-acceptor ionic Mott insulator, TTF-BA, by $^{79}$Br-NQR spectroscopy to explore cross-correlated fluctuations between spin, charge and lattice. A ferroelectric transition with lattice…

Strongly Correlated Electrons · Physics 2021-08-11 Keishi Sunami , Tomohiro Baba , Kazuya Miyagawa , Sachio Horiuchi , Kazushi Kanoda

We investigate hole spin relaxation in intrinsic and $p$-type bulk GaAs from a fully microscopic kinetic spin Bloch equation approach. In contrast to the previous study on hole spin dynamics, we explicitly include the intraband coherence…

Mesoscale and Nanoscale Physics · Physics 2010-09-14 K. Shen , M. W. Wu

We present an experimental study of the longitudinal electron-spin relaxation time (T1) of negatively charged nitrogen-vacancy (NV) ensembles in diamond. T1 was studied as a function of temperature from 5 to 475 K and magnetic field from 0…

Materials Science · Physics 2015-06-03 A. Jarmola , V. M. Acosta , K. Jensen , S. Chemerisov , D. Budker

Based on a Monte Carlo method, we investigate the influence of transport conditions on the electron spin relaxation in GaAs. The decay of initial electron spin polarization is calculated as a function of distance under the presence of…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 E. A. Barry , A. A. Kiselev , K. W. Kim

The unique combination of outstanding optical quality and attractive spin properties opens new avenues for optical spin control in hybrid organic-inorganic perovskite semiconductors. Using the optically detected magnetic resonance…

Mesoscale and Nanoscale Physics · Physics 2026-04-09 Rongrong Hu , Sergey R. Meliakov , Dmitri R. Yakovlev , Bekir Turedi , Maksym V. Kovalenko , Manfred Bayer , Vasilii V. Belykh

We discuss the rate of relaxation of the total spin in the two-electron droplet in the vicinity of the magnetic field driven singlet-triplet transition. The total spin relaxation is attributed to spin-orbit and electron-phonon interactions.…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 S. Dickmann , P. Hawrylak

We demonstrate a high-yield fabrication of non-local spin valve devices with room-temperature spin lifetimes of up to 3 ns and spin relaxation lengths as long as 9 $\mu$m in platinum-based chemical vapor deposition (Pt-CVD) synthesized…

Mesoscale and Nanoscale Physics · Physics 2019-05-14 Z. M. Gebeyehu , S. Parui , J. F. Sierra , M. Timmermans , M. J. Esplandiu , S. Brems , C. Huyghebaert , K. Garello , M. V. Costache , S. O. Valenzuela

We investigate decoherence of an electron in graphene caused by electron-flexural phonon interaction. We find out that flexural phonons can produce dephasing rate comparable to the electron-electron one. The problem appears to be quite…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Konstantin S. Tikhonov , Wei L. Z. Zhao , Alexander M. Finkel'stein

We derive scaling laws for the spin decoherence of neutral atoms trapped near conducting and superconducting plane surfaces. A new result for thin films sheds light on the measurement of Y.J. Lin, I. Teper, C. Chin, and V. Vuleti\'{c}…

Quantum Physics · Physics 2009-11-11 Stefan Scheel , Per-Kristian Rekdal , Peter L. Knight , Edward A. Hinds

The classical drift diffusion (DD) model of spin transport treats spin relaxation via an empirical parameter known as the ``spin diffusion length''. According to this model, the ensemble averaged spin of electrons drifting and diffusing in…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Sandipan Pramanik , Supriyo Bandyopadhyay , Marc Cahay

We show that the electric field-induced thermal asymmetry between the electron and lattice systems in pure silicon substantially impacts the identity of the dominant spin relaxation mechanism. Comparison of empirical results from…

Materials Science · Physics 2012-04-10 Jing Li , Lan Qing , Hanan Dery , Ian Appelbaum

A relaxation-function theory for the dynamic spin susceptibility in the $t$--$J$ model is presented. By a sum-rule-conserving generalized mean-field approximation (GMFA), the two-spin correlation functions of arbitrary range, the staggered…

Strongly Correlated Electrons · Physics 2015-05-13 A. A. Vladimirov , D. Ihle , N. M. Plakida

We present a unified theoretical framework for the study of spin dynamics and relativistic transport phenomena in disordered two-dimensional Dirac systems with pseudospin-spin coupling. The formalism is applied to the paradigmatic case of…

Mesoscale and Nanoscale Physics · Physics 2018-07-11 Manuel Offidani , Roberto Raimondi , Aires Ferreira

We report measurements of 19F nuclear spin-lattice relaxation 1/T1 as a function of temperature and external magnetic field in LiY0.998Ho0.002F4 single crystal, a single-ion magnet exhibiting interesting quantum effects. The 19F 1/T1 is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. J. Graf , A. Lascialfari , F. Borsa , A. M. Tkachuk , B. Barbara
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