176 citations · 431 across the 4 of their papers we have counts for
5 papers · 1 filter
Full Counting Statistics for a Single-Electron Transistor, Non-equilibrium Effects at Intermediate Conductance
Yasuhiro Utsumi, Dmitri S. Golubev, Gerd Schön
We evaluate the current distribution for a single-electron transistor with intermediate strength tunnel conductance. Using the Schwinger-Keldysh approach and the drone (Majorana) f…
Co-tunneling current and shot noise in quantum dots
A. Thielmann, M. H. Hettler, J. König +1
We derive general expressions for the current and shot noise, taking into account non-Markovian memory effects. In generalization of previous approaches our theory is valid for arb…
Low- and high-frequency noise from coherent two-level systems
Alexander Shnirman, Gerd Schön, Ivar Martin +1
Recent experiments indicate a connection between the low- and high-frequency noise affecting superconducting quantum systems. We explore the possibilities that both noises can be p…
Nonequilibrium Kondo Effect in a Quantum Dot Coupled to Ferromagnetic Leads
Yasuhiro Utsumi, Jan Martinek, Gerd Schön +2
We study the Kondo effect in the electron transport through a quantum dot coupled to ferromagnetic leads, using a real-time diagrammatic technique which provides a systematic descr…
Super-poissonian noise, negative differential conductance, and relaxation effects in transport through molecules, quantum dots and nanotubes
A. Thielmann, M. H. Hettler, J. König +1
We consider charge transport through a nanoscopic object, e.g. single molecules, short nanotubes, or quantum dots, that is weakly coupled to metallic electrodes. We account for sev…