81 citations · 233 across the 14 of their papers we have counts for
16 papers
Experimental investigation of the edge states structure at fractional filling factors
E. V. Deviatov, V. T. Dolgopolov, A. Lorke +2
We experimentally study electron transport between edge states in the fractional quantum Hall effect regime. We find an anomalous increase of the transport across the 2/3 incompres…
Coupling symmetry of quantum dot states
M. C. Rogge, B. Harke, C. Fricke +4
With non-invasive methods, we investigate ground and excited states of a lateral quantum dot. Charge detection via a quantum point contact is used to map the dot dynamics in a regi…
Non-invasive detection of charge-rearrangement in a quantum dot in high magnetic fields
C. Fricke, M. C. Rogge, B. Harke +4
We demonstrate electron redistribution caused by magnetic field on a single quantum dot measured by means of a quantum point contact as non-invasive detector. Our device which is f…
Operation of a Bloch oscillator
K. F. Renk, A. Meier, B. I. Stahl +4
We report the operation of a Bloch oscillator. The active medium was a staticvoltage driven, doped GaAs/AlAs superlattice which was electromagnetically coupled to a resonator. The…
Domain free high field superlattice transport
T. Feil, H. -P. Tranitz, M. Reinwald +1
The fundamental condition for operating a superlattice (SL) as a Bloch oscillator is a homogeneous electric field alignment under large applied bias. This can be done by combining…
Kondo Effect in a Many-Electron Quantum Ring
A. Fuhrer, T. Ihn, K. Ensslin +2
The Kondo effect is investigated in a many-electron quantum ring as a function of magnetic field. For fields applied perpendicular to the plane of the ring a modulation of the Kond…