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Floquet Topological Insulator in Semiconductor Quantum Wells
Netanel H. Lindner, Gil Refael, Victor Galitski
Topological phase transitions between a conventional insulator and a state of matter with topological properties have been proposed and observed in mercury telluride - cadmium tell…
Exact solution for quantum dynamics of a periodically-driven two-level-system
Anirban Gangopadhyay, Maxim Dzero, Victor Galitski
We present a family of exact analytic solutions for non-linear quantum dynamics of a two-level system (TLS) subject to a periodic-in-time external field. In constructing the exactl…
Bulk Spin-Hall Effect
Brandon Anderson, Tudor D. Stanescu, Victor Galitski
We show that a two-dimensional spin-orbit-coupled system in the presence of a charge/spin-density wave with a wave-vector perpendicular to an applied electric field supports bulk m…
Spin relaxation in a generic two-dimensional spin-orbit coupled system
Tudor D. Stanescu, Victor Galitski
We study the relaxation of a spin density injected into a two-dimensional electron system with generic spin-orbit interactions. Our model includes the Rashba as well as linear and…
Surface states, Friedel oscillations, and spin accumulation in p-doped semiconductors
Tudor D. Stanescu, Victor Galitski
We consider a hole-doped semiconductor with a sharp boundary and study the boundary spin accumulation in response to a charge current. First, we solve exactly a single-particle qua…
Boundary conditions for spin diffusion
Victor Galitski, A. A. Burkov, S. Das Sarma
We develop a general scheme of deriving boundary conditions for spin-charge coupled transport in disordered systems with spin-orbit interactions. To illustrate the application of t…