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'Tight binding' methods in quantum transport through molecules and small devices: From the coherent to the decoherent description
ArticleAbstract: We discuss the steady-state electronic transport in solid-state and molecular devices in the quantumPalabras claves:Green's functions, Quantum coherence, Resonant tunnelingAutores:Ernesto Medina Dagger, Pastawski H.M.Fuentes:googlescopusA perfect spin filtering device through Mach-Zehnder interferometry in a GaAs/AlGaAs electron gas
ArticleAbstract: A spin filtering device based on quantum spin interference is addressed, for use with a two-dimensioPalabras claves:Autores:Alexander Lopez, Berche B., Bolívar N., Ernesto Medina DaggerFuentes:googlescopusCharge- and spin-polarized currents in mesoscopic rings with Rashba spin-orbit interactions coupled to an electron reservoir
ArticleAbstract: The electronic states of a mesoscopic ring are assessed in the presence of Rashba spin-orbit (SO) coPalabras claves:Autores:Berche B., Bolívar N., Ellner M., Ernesto Medina DaggerFuentes:googlescopusChiral electron transport: Scattering through helical potentials
ArticleAbstract: We present a model for the transmission of spin-polarized electrons through oriented chiral moleculePalabras claves:Autores:Ernesto Medina Dagger, Mujica V., Ratner M., Yeganeh S.Fuentes:googlescopusClassical Yang-Mills theory in condensed matter physics
ArticleAbstract: Gauge field theory approaches have been used extensively in recent times to discuss the physical conPalabras claves:Autores:Berche B., Ernesto Medina DaggerFuentes:googlescopusContinuum model for chiral induced spin selectivity in helical molecules
ArticleAbstract: A minimal model is exactly solved for electron spin transport on a helix. Electron transport is assuPalabras claves:Autores:Berche B., Ernesto Medina Dagger, Finkelstein-Shapiro D., González-Arraga L.A., Mujica V.Fuentes:googlescopusEffective spin-orbit couplings in an analytical tight-binding model of DNA: Spin filtering and chiral spin transport
ArticleAbstract: We derive a detailed analytical tight-binding (TB) model for a double helix emulating DNA with one tPalabras claves:Autores:Ernesto Medina Dagger, Mujica V., Solmar VarelaFuentes:googlescopusFrom favorable atomic configurations to supershell structures: A new interpretation of conductance histograms
ArticleAbstract: Minimum cross-section histograms for Al nanowire breaking molecular dynamic (MD) simulations using sPalabras claves:Autores:Ernesto Medina Dagger, Hasmy A., Serena P.A.Fuentes:googlescopusGauge field theory approach to spin transport in a 2D electron gas
ArticleAbstract: We discuss the Pauli Hamiltonian including the spin-orbit interaction within an U(1) × SU(2) gauge tPalabras claves:Gauge field theory, Spin Hall effect, Spin transport, Spin-orbit interactionAutores:Alexander Lopez, Berche B., Bolívar N., Ernesto Medina DaggerFuentes:googlescopusGauge symmetry breaking and topological quantization for the Pauli Hamiltonian
ArticleAbstract: We discuss the Pauli Hamiltonian within a SU(2) gauge theory interpretation, where the gauge symmetrPalabras claves:Autores:Alexander Lopez, Berche B., Ernesto Medina DaggerFuentes:googlescopus