Spin-orbit interaction in flat graphene is rather weak due to the symmetry of the lattice. However, substrate surface-corrugation can break this symmetry and induce a relatively large spin-orbit interaction. In this work we study spin transport in armchair graphene nanoribbons (AGNR) in the presence of substrate surface-corrugation. We employ the non-equilibrium green’s function along with a mu...

In a quantum ring connected with two external leads the spin properties of an incoming electron are modified by the spin-orbit interaction resulting in a transformation of the qubit state carried by the spin. The ring acts as a one qubit spintronic quantum gate whose properties can be varied by tuning the Rashba parameter of the spin-orbit interaction, by changing the relative position of the j...

We develop a semiclassical theory for spin-dependent quantum transport in ballistic quantum dots. The theory is based on the semiclassical Landauer formula, that we generalize to include spin-orbit and Zeeman interaction. Within this approach, the orbital degrees of freedom are treated semiclassically, while the spin dynamics is computed quantum mechanically. Employing this method, we calculate...

We predict the existence of chiral spin waves-collective modes in a two-dimensional Fermi liquid with the Rashba or Dresselhaus spin-orbit coupling. Starting from the phenomenological Landau theory, we show that the long-wavelength dynamics of magnetization is governed by the Klein-Gordon equations. The standing-wave solutions of these equations describe ''particles" with effective masses, whos...

We report 29Si NMR study on a single crystal of the heavy-fermion superconductor CeIrSi3 without an inversion symmetry along the c axis. The 29Si Knight-shift measurements under pressure have revealed that the spin susceptibility for the ab plane decreases slightly below T(c), whereas along the c axis it does not change at all. The result can be accounted for by the spin susceptibility in the s...

A double quantum dot in the few-electron regime is achieved using local gating in an InSb nanowire. The spectrum of two-electron eigenstates is investigated using electric dipole spin resonance. Singlet-triplet level repulsion caused by spin-orbit interaction is observed. The size and the anisotropy of singlet-triplet repulsion are used to determine the magnitude and the orientation of the spin...

Measurements of absolute photoionization cross section of 3d subshell spin-orbit doublet components in Xenon 3d5/2 and 3d3/2 [1] are analyzed. Of particular interest is the observation of an additional broad maximum in the 3d5/2 cross section that lie 17.5 eV above the near threshold maximum. To understand the nature of this feature we have performed calculations of the cross sections and angul...

Chirality or handedness distinguishes an object from its mirror images, such as the spread thumb, index finger, and middle finger of right left hand. In mathematics, it is described by outer product three vectors that obey a right-hand vs. left-hand rule. The chirality ground state magnetic textures defined magnetization, gradient, electric field broken inversion symmetry can be fixed strong re...

Abstract Various approaches to Quantum Gravity suggest an existence of a minimal measurable length. The cost have such length could be modified uncertainty principle, dispersion relation, non-commutative geometry or breaking continuous Lorentz symmetry. In this paper, we propose that can obtained naturally through spin–orbit interaction. We consider Dresselhaus anisotropic interaction as the pe...