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15 papers · 2 filters
Quantum heat fluctuations of single particle sources
F. Battista, M. Moskalets, M. Albert +1
Optimal single electron sources emit regular streams of particles, displaying no low frequency charge current noise. Due to the wavepacket nature of the emitted particles, the ener…
Nonlinear response of quantum cascade structures
David O. Winge, Martin Lindskog, Andreas Wacker
The gain spectrum of a terahertz quantum cascade laser is analysed by a non equilibrium Green's functions approach. Higher harmonics of the response function were retrievable, prov…
Quantum rings for beginners II: Bosons versus fermions
M. Manninen, S. Viefers, S. M. Reimann
The purpose of this overview article, which can be viewed as a supplement to our previous review on quantum rings, [S. Viefers {\it et al}, Physica E {\bf 21} (2004), 1-35], is to…
Heat flow in InAs/InP heterostructure nanowires
Jason Matthews, Eric A. Hoffmann, Carsten Weber +2
The transfer of heat between electrons and phonons plays a key role for thermal management in future nanowire-based devices, but only a few experimental measurements of electron-ph…
Relevance of intra- and inter-subband scattering on the absorption in heterostructures
Camille NDebeka-Bandou, Francesca Carosella, Robson Ferreira +2
We analyze the absorption lineshape for inter-subband transitions in disordered quasi 2D heterostructures by an exact calculation. The intra-subband scatterings control the central…
Is it the boundaries or disorder that dominates electron transport in semiconductor `billiards'?
A. P. Micolich, A. M. See, B. C. Scannell +6
Semiconductor billiards are often considered as ideal systems for studying dynamical chaos in the quantum mechanical limit. In the traditional picture, once the electron's mean fre…