Artificial Brownian motors: Controlling transport on the nanoscale
In systems possessing spatial or dynamical symmetry breaking, Brownian motion combined
with unbiased external input signals, deterministic and random alike, can assist directed …
with unbiased external input signals, deterministic and random alike, can assist directed …
Driven quantum transport on the nanoscale
We explore the prospects to control by use of time-dependent fields quantum transport
phenomena in nanoscale systems. In particular, we study for driven conductors the electron …
phenomena in nanoscale systems. In particular, we study for driven conductors the electron …
Brownian motors
In systems possessing a spatial or dynamical symmetry breaking, thermal Brownian motion
combined with unbiased, non‐equilibrium noise gives rise to a channelling of chance that …
combined with unbiased, non‐equilibrium noise gives rise to a channelling of chance that …
Molecular optoelectronics: the interaction of molecular conduction junctions with light
The interaction of light with molecular conduction junctions is attracting growing interest as a
challenging experimental and theoretical problem on one hand, and because of its potential …
challenging experimental and theoretical problem on one hand, and because of its potential …
Green-function approach to transport phenomena in quantum pumps
L Arrachea - Physical Review B—Condensed Matter and Materials …, 2005 - APS
We present a general treatment based on nonequilibrium Green functions to study transport
phenomena in systems described by tight-binding Hamiltonians coupled to reservoirs and …
phenomena in systems described by tight-binding Hamiltonians coupled to reservoirs and …
Theory of vibrationally inelastic electron transport through molecular bridges
Vibrationally inelastic electron transport through a molecular bridge that is connected to two
leads is investigated. The study is based on a generic model of vibrational excitation in …
leads is investigated. The study is based on a generic model of vibrational excitation in …
The influence of ultrafast laser pulses on electron transfer in molecular wires studied by a non-Markovian density-matrix approach
New features of molecular wires can be observed when they are irradiated by laser fields.
These effects can be achieved by periodically oscillating fields but also by short laser …
These effects can be achieved by periodically oscillating fields but also by short laser …
Electrically driven spin currents in DNA
We consider the generation of pure spin currents by electric field driving. First, we discuss
the possibility of spin pum** by electric field within a simple two-level bridge model. Then …
the possibility of spin pum** by electric field within a simple two-level bridge model. Then …
Ab initio study of the alternating current impedance of a molecular junction
The small-bias conductance of the C6 molecule, stretched between two metallic leads, is
studied using time-dependent density functional theory within the adiabatic local density …
studied using time-dependent density functional theory within the adiabatic local density …
Optical properties of current carrying molecular wires
We consider several fundamental optical phenomena involving single molecules in biased
metal-molecule-metal junctions. The molecule is represented by its highest occupied and …
metal-molecule-metal junctions. The molecule is represented by its highest occupied and …