Side-jumps in the spin-Hall effect: construction of the Boltzmann collision integral (2009)
Culcer, Dimitrie, Hankiewicz, E. M., Vignale, Giovanni, Winkler, R.
We present a systematic derivation of the side-jump contribution to the spin-Hall current in systems without band structure spin-orbit interactions, focusing on the construction of the collision...
Ballistic quantum spin Hall state in strong magnetic fields (2009)
Tkachov, G., Hankiewicz, E. M.
The quantum spin Hall (QSH) state, observed in a zero magnetic field in HgTe quantum wells, respects the time-reversal symmetry and for this reason is distinct from quantum Hall states. We show...
Spin-Hall effect and spin-Coulomb drag in doped semiconductors (2009)
Hankiewicz, E. M., Vignale, G.
In this review, we describe in detail two important spin-transport phenomena: the extrinsic spin-Hall effect (coming from spin-orbit interactions between electrons and impurities) and the...
Ballistic Intrinsic Spin-Hall Effect in HgTe Nanostructures (2008)
Bruene, C., Roth, A., Novik, E. G., Koenig, M., Buhmann, H., Hankiewicz, E. M., ...
We report the first electrical manipulation and detection of the mesoscopic intrinsic spin-Hall effect (ISHE) in semiconductors through non-local electrical measurement in nano-scale H-shaped...
Transverse spin diffusion in ferromagnets (2008)
Tserkovnyak, Yaroslav, Hankiewicz, E. M., Vignale, Giovanni
We discuss the dissipative diffusion-type term of the form $\mathbf{m}\times\nabla^2\partial_t\mathbf{m}$ in the phenomenological Landau-Lifshitz equation of ferromagnetic precession, which describes...
Inhomogeneous Gilbert damping from impurities and electron-electron interactions (2008)
Hankiewicz, E. M., Vignale, G., Tserkovnyak, Y.
We present a unified theory of magnetic damping in itinerant electron ferromagnets at order $q^2$ including electron-electron interactions and disorder scattering. We show that the Gilbert damping...
"Phase Diagram" of the Spin Hall Effect (2007)
Hankiewicz, E. M., Vignale, G.
We obtain analytic formulas for the frequency-dependent spin-Hall conductivity of a two-dimensional electron gas (2DEG) in the presence of impurities, linear spin-orbit Rashba interaction, and...
Hankiewicz, E. M., Vignale, G., Tserkovnyak, Y.
We present a microscopic calculation of the Gilbert damping constant for the magnetization of a two-dimensional spin-polarized electron liquid in the presence of intrinsic spin-orbit interaction....
Spin-Hall effect in a [110] quantum well (2006)
Hankiewicz, E. M., Vignale, G., Flatte, M.
A self-consistent treatment of the spin-Hall effect requires consideration of the spin-orbit coupling and electron-impurity scattering on equal footing. This is done here for the experimentally...
Direct observation of the Aharonov-Casher phase (2005)
Koenig, M., Tschetschetkin, A., Hankiewicz, E. M., Sinova, Jairo, Hock, V., Daumer, V., ...
Ring structures fabricated from HgTe/HgCdTe quantum wells have been used to study Aharonov-Bohm type conductance oscillations as a function of Rashba spin-orbit splitting strength. We observe...
Coulomb corrections to the extrinsic spin-Hall effect of a two-dimensional electron gas (2005)
Hankiewicz, E. M., Vignale, Giovanni
We develop the microscopic theory of the extrinsic spin Hall conductivity of a two-dimensional electron gas, including skew-scattering, side-jump, and Coulomb interaction effects. We find that while...
Hankiewicz, E. M., Li, Jian, Jungwirth, Tomas, Niu, Qian, Shen, Shun-Qing, Sinova, Jairo
We study theoretically the spin-Hall effect as well as its reciprocal phenomenon (a transverse charge current driven by a spin-dependent chemical potential gradient) in electron and hole finite size...
Manifestation of the spin-Hall effect through transport measurements in the mesoscopic regime (2004)
Hankiewicz, E. M., Molenkamp, L. W., Jungwirth, T., Sinova, Jairo
We study theoretically the manifestation of the spin-Hall effect in a two-dimensional electronic system with Rashba spin-orbit coupling via dc-transport measurements in realistic mesoscopic H-shape...
Hankiewicz, E. M., Jungwirth, T., Dietl, T., Timm, C., Sinova, Jairo
We report on a study of the ac conductivity and magneto-optical properties of metallic ferromagnetic (III,Mn)V semiconductors in the infrared to visible spectrum. Our analysis is based on the...
Sinitsyn, N. A., Hankiewicz, E. M., Teizer, W., Sinova, Jairo
We investigate the spin-current linear response conductivity tensor to an electric field in a paramagnetic two dimensonal electron gas with both Rashba and Dresselhaus spin-orbit coupling in the weak...
Single ion anisotropy of Mn doped GaAs measured by EPR (2001)
Fedorych, O. M., Hankiewicz, E. M., Wilamowski, Z., Sadowski, J.
Electron paramagnetic resonance (EPR) study of MBE grown Mn doped GaAs is presented. The resolved fine structure allows us to evaluate the crystal field parameters of the spin Hamiltonian. The...
Magnetic polarons in weakly doped high-Tc superconductors (2001)
Hankiewicz, E. M., Buczko, R., Wilamowski, Z.
We consider a spin Hamiltonian describing $d$-$d$ exchange interactions between localized spins $d$ of a finite antiferromagnet as well as $p$-$d$ interactions between a conducting hole ($p$) and...