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Boosting thermoelectric efficiency using time-dependent control
Hangbo Zhou, Juzar Thingna, Peter Hänggi +2
Thermoelectric efficiency is defined as the ratio of power delivered to the load of a device to the rate of heat flow from the source. Till date, it has been studied in presence of…
Entanglement creation in a quantum dot-nanocavity system
Ralf Blattmann, Hubert Krenner, Sigmund Kohler +1
We explore the possibility to entangle an excitonic two-level system in a semiconductor quantum dot (QD) with a cavity defined on a photonic crystal by sweeping the cavity frequenc…
Tunable transport with broken space-time symmetries
Sergey Denisov, Sergej Flach, Peter Hanggi
Transport properties of particles and waves in spatially periodic structures that are driven by external time-dependent forces manifestly depend on the space-time symmetries of the…
Characterization of Qubit Dephasing by Landau-Zener Interferometry
F. Forster, G. Petersen, S. Manus +5
Controlling coherent interaction at avoided crossings is at the heart of quantum information processing. The regime between sudden switches and adiabatic transitions is characteriz…
Power spectrum of electronic heat current fluctuations
Fei Zhan, Sergey Denisov, Peter Hänggi
We analyze the fluctuations of an electronic thermal current across an idealized molecular junction. The focus here will be on the spectral features of the resulting heat fluctuati…
Current resonances in graphene with time dependent potential barriers
Sergey E. Savel'ev, Wolfgang Hausler, Peter Hanggi
A method is derived to solve the massless Dirac-Weyl equation describing electron transport in a mono-layer of graphene with a scalar potential barrier U(x,t), homogeneous in the y…