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Transport of Forced Quantum Motors in the Strong Friction Limit
Lukasz Machura, Jerzy Luczka, Peter Talkner +1
The directed transport of an overdamped Brownian motor moving in a spatially periodic potential that lacks reflection symmetry (i.e. a ratchet potential) is studied when driven by…
Nonadiabatic electron heat pump
Miguel Rey, Michael Strass, Sigmund Kohler +2
We investigate a mechanism for extracting heat from metallic conductors based on the energy-selective transmission of electrons through a spatially asymmetric resonant structure su…
Limitation of entanglement due to spatial qubit separation
Roland Doll, Martijn Wubs, Peter Hanggi +1
We consider spatially separated qubits coupled to a thermal bosonic field that causes pure dephasing. Our focus is on the entanglement of two Bell states which for vanishing separa…
Relativistic diffusion processes and random walk models
Jörn Dunkel, Peter Talkner, Peter Hänggi
The nonrelativistic standard model for a continuous, one-parameter diffusion process in position space is the Wiener process. As well-known, the Gaussian transition probability den…
Accumulating Particles at the Boundaries of a Laminar Flow
Michael Schindler, Peter Talkner, Marcin Kostur +1
The accumulation of small particles is analyzed in stationary flows through channels of variable width at small Reynolds number. The combined influence of pressure, viscous drag an…
Coulomb blockade effects in driven electron transport
Franz J. Kaiser, Peter Hänggi, Sigmund Kohler
We study numerically the influence of strong Coulomb repulsion on the current through molecular wires that are driven by external electromagnetic fields. The molecule is described…