Bereiche | Tage | Auswahl | Suche | Downloads | Hilfe

DY: Fachverband Dynamik und Statistische Physik

DY 26: Poster II

DY 26.25: Poster

Donnerstag, 26. März 2009, 16:00–18:00, P1A

Investigation of the possibility to detect higher moments of charge noise by means of an dissipating harmonic oscillator — •Maximilian Köpke — Institut für Theoretische Physik, Ulm, Deutschland

A complete understanding of electronic transport through mesoscopic conductors necessitates the knowledge of all noise properties of the corresponding current. This is the goal of full counting statistics. After the numerous theoretical works on this subject it is now due to be experimentally scrutinized. After some successful measurements during the last few years, the notion of on-chip-detectors (possessing several decisive advantages over conventional techniques) was brought up - one possible realization would be a Josephson junction which can be modeled as harmonic oscillator. Here the properties of a harmonic oscillator in contact with a non-Gaussian (current) and a Gaussian (environment) heat-bath were investigated, showing a stationary dependence of the correlation on the third moment in position space.