59 citations · 148 across the 9 of their papers we have counts for
9 papers
Emergence of Floquet edge states in the coupled Su-Schrieffer-Heeger model
Carla Borja, Esther Gutiérrez, Alexander López
The emergence of non equilibrium topological phases in low dimensional systems offers an interesting route for material properties engineering. We analyze the dynamical modulation…
Radiation Modulated Spin coupling in DNA
Alexander López, Solmar Varela, Ernesto Medina
The spin activity in macromolecules such as DNA and oligopeptides, in the context of the Chiral Induced Spin Selectivity (CISS) has been proposed to be due to the atomic Spin-Orbit…
Photoinduced electronic and spin properties of two-dimensional electron gases with Rashba spin-orbit coupling under perpendicular magnetic fields
Daniel Hernangómez-Pérez, Juan Daniel Torres, Alexander López
We theoretically investigate photoinduced phenomena induced by time-periodic driving fields in two-dimensional electron gases under perpendicular magnetic fields with Rashba spin-o…
Photoinduced pseudospin effects in silicene beyond the off resonant condition
Alexander López, Andreas Scholz, Benjamin Santos +1
We study the photoinduced manipulation of charge carriers in monolayer silicene subject to intense electromagnetic terahertz radiation. Considering the Dirac cone approximation and…
Graphene with time-dependent spin-orbit coupling: Truncated Magnus expansion approach
A. López, A. Scholz, Z. Z. Sun +1
We analyze the role of ac-driven Rashba spin-orbit coupling in monolayer graphene including a spin-dependent mass term. Using the Magnus expansion as a semi-analytical approximatio…
Interplay between spin-orbit interactions and a time-dependent electromagnetic field in monolayer graphene
Andreas Scholz, Alexander López, John Schliemann
We apply a circularly and linearly polarized terahertz field on a monolayer of graphene taking into account spin-orbit interactions of the intrinsic and Rashba type. It turns out t…
Mach-Zehnder Interferometric device for spin filtering in a GaAs/AlGaAs electron gas
Benjamin Santos, Ernesto Medina, Alexander López +1
A spin filtering device using quantum spin interference is theoretically proposed in a GaAs/AlGaAs electron gas that has both Rashba and Dresselhaus spin-orbit couplings. The devic…
Comment on "Equilibrum spin currents: Non-Abelian Gauge Invariance and Color Diamagnetism in Condensed Matter"
Alexander López, Ernesto Medina, Nelson Bolívar +1
In a recent paper [Phys. Rev. Lett. 101, 106601], I. V. Tokatly addresses a non Abelian formulation of spin orbit interaction in condensed matter, restricting to a gauge symmetric…
Two electron entanglement in quasi-one dimensional system: Role of resonances
Alexander López, Otto Rendón, Víctor M. Villalba +1
We analyze the role of resonances in two-fermion entanglement production for a quasi one-dimensional two channel scattering problem. We solve exactly for the problem of a two-fermi…