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A theory of spin relaxation in graphene including intrinsic, Bychkov-Rashba, and ripple spin-orbit coupling is presented. We find from spin relaxation data by Tombros et al. [Nature 448, 571 (2007).] that intrinsic spin-orbit coupling…

Strongly Correlated Electrons · Physics 2015-03-13 F. Simon , F. Muranyi , B. Dora

We consider theoretically spin correlations in an 1D quantum wire with Rashba-Dresselhaus spin-orbit interaction (RDI). The correlations of non-interacting electrons display electron-spin resonance at a frequency proportional to the RDI…

Strongly Correlated Electrons · Physics 2015-05-20 Chen Sun , Valery L. Pokrovsky

Phonon-induced orbital and spin relaxation rates of single electron states in lateral single and double quantum dots are obtained numerically for realistic materials parameters. The rates are calculated as a function of magnetic field and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Peter Stano , Jaroslav Fabian

The rectifying effect of radio-frequency (RF) current is highly sensitive in terms of the spatial spin distribution and dynamics. It emerged that an additional spin wave mode was stimulated by the direct-current (DC) current and that this…

Materials Science · Physics 2008-04-01 A. Yamaguchi , K. Motoi , H. Miyajima

The quantum interference corrections to the conductivity are calculated for an electron gas in asymmetric quantum wells in a magnetic field. The theory takes into account two different types of the spin splitting of the conduction band: the…

Condensed Matter · Physics 2009-10-28 F. G. Pikus , G. E. Pikus

First-order quantum corrections to the transverse spin-fluctuation propagator are obtained within a systematic inverse-degeneracy 1/N expansion, which provides a spin-rotationally symmetric scheme for including self-energy and vertex…

Strongly Correlated Electrons · Physics 2015-06-25 Avinash Singh

Magnetic inertial dynamics has recently been predicted and experimentally demonstrated in two-sublattice ferromagnets such as CoFeB and NiFe permalloy. In this work, we investigate the spin-wave spectrum of such systems by incorporating the…

Mesoscale and Nanoscale Physics · Physics 2025-12-23 Subhadip Ghosh , Darpa Narayan Basu , Ritwik Mondal

We present semiclassical and quantum mechanical results for the effects of a strong magnetic field in Quantum Wires in the presence of Rashba Spin Orbit coupling. Analytical and numerical results show how the perturbation acts in the…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 S. Bellucci , P. Onorato

Spin waves in antiferromagnetic materials have great potential for next-generation magnonic technologies. However, their properties and their dependence on the type of ground-state antiferromagnetic structure are still open questions. Here,…

Mesoscale and Nanoscale Physics · Physics 2020-10-07 Flaviano José dos Santos , Manuel dos Santos Dias , Samir Lounis

Spin-phonon coupling is the main drive of spin relaxation and decoherence in solid-state semiconductors at finite temperature. Controlling this interaction is a central problem for many disciplines, ranging from magnetic resonance to…

Materials Science · Physics 2022-08-23 Alessandro Lunghi

We present analysis of the interacting quantum wire problem in the presence of magnetic field and spin-orbital interaction. We show that an interesting interplay of Zeeman and spin-orbit terms, facilitated by the electron-electron…

Mesoscale and Nanoscale Physics · Physics 2008-09-05 Suhas Gangadharaiah , Jianmin Sun , Oleg A. Starykh

We use the renormalization group method to examine the effect of phonon mediated interaction on d-wave superconductivity, as driven by spin fluctuations in a quasi-one-dimensional electron system. The influence of a tight-binding…

Strongly Correlated Electrons · Physics 2014-09-15 Hassan Bakrim , Claude Bourbonnais

We discuss the universal spin dynamics in quasi one-dimensional systems including the real spin in narrow-gap semiconductors like InAs and InSb, the valley pseudospin in staggered single-layer graphene, and the combination of real spin and…

Mesoscale and Nanoscale Physics · Physics 2017-10-17 E. A. Fajardo , U. Zülicke , R. Winkler

Neutron inelastic scattering has been used to probe the spin dynamics of the quantum (S=1/2) ferromagnet on the pyrochlore lattice Lu2V2O7. Well-defined spin waves are observed at all energies and wavevectors, allowing us to determine the…

Strongly Correlated Electrons · Physics 2015-06-19 M. Mena , R. S. Perry , T. G. Perring , M. D. Le , S. Guerrero , M. Storni , D. T. Adroja , Ch. Ruegg , D. F. McMorrow

In this paper we propose that electron spin resonance (ESR) measurements enable us to detect the long-range spin nematic order. We show that the frequency of the paramagnetic resonance peak in the ESR spectrum is shifted by the…

Strongly Correlated Electrons · Physics 2018-03-22 Shunsuke C. Furuya , Tsutomu Momoi

In a heavily doped semiconductor with weak spin-orbital interaction the Dyakonov-Perel spin relaxation rate is known to be proportional to the Drude conductivity. We argue that in the case of weak spin-orbital interaction this…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 B. I. Shklovskii

We study the spin relaxation torque in nonmagnetic or ferromagnetic metals with nonuniform spin-orbit coupling within the Keldysh Green's function formalism. In non-magnet, the relaxation torque is shown to arise when the spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Kazuhiro Tsutsui , Akihito Takeuchi , Gen Tatara , Shuichi Murakami

Electron spin dynamics in InAs/GaAs heterostructures consisting of a single layer of InAs (1/3$\sim$1 monolayer) embeded in (001) and (311)A GaAs matrix was studied by means of time-resolved Kerr rotation spectroscopy. The spin relaxation…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Chunlei Yang , Xiaodong Cui , Shun-Qing Shen , Zhongying Xu , Weikun Ge

The heavy-fermion system $\mathrm{UTe_2}$ is a candidate for spin-triplet superconductivity, which is of considerable interest to quantum engineering. Among the outstanding issues is the nature of the pairing state. A recent surprising…

Superconductivity · Physics 2021-12-30 Lei Chen , Haoyu Hu , Christopher Lane , Emilian M. Nica , Jian-Xin Zhu , Qimiao Si

We study theoretically electron spins in nanowire quantum dots placed inside a transmission line resonator. Because of the spin-orbit interaction, the spins couple to the electric component of the resonator electromagnetic field and enable…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Mircea Trif , Vitaly N. Golovach , Daniel Loss