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- Max Planck Institute for Mathematics in the SciencesDE139 papers
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9 papers · 2 filters
Noise due to neutral modes in the v=2/3 fractional quantum Hall state
So Takei, Bernd Rosenow, Ady Stern
We theoretically study charge noise generated by excited neutral modes, which impinge on the quantum point contact of a quantum Hall bar with filling fraction v=2/3. The noise is c…
Detection of a single fundamental charge with nanoscale resolution in ambient conditions using the NV center in diamond
Florian Dolde, Marcus W. Doherty, Julia Michl +8
Single charge detection with nanoscale spatial resolution in ambient conditions is a current frontier in metrology that has diverse interdisciplinary applications. Here, such singl…
Transmission phase lapses through a quantum dot in a strong magnetic field
Yehuda Dinaii, Yuval Gefen, Bernd Rosenow
The phase of the transmission amplitude through a mesoscopic system contains information about the system's quantum mechanical state and excitations thereof. In the absence of an e…
Coherent tunnelling across a quantum point contact in the quantum Hall regime
F. Martins, S. Faniel, B. Rosenow +7
The unique properties of quantum Hall devices arise from the ideal one-dimensional edge states that form in a two-dimensional electron system at high magnetic field. Tunnelling bet…
Scanning Gate Spectroscopy of transport across a Quantum Hall Nano-Island
F. Martins, S. Faniel, B. Rosenow +7
We explore transport across an ultra-small Quantum Hall Island (QHI) formed by closed quan- tum Hall edge states and connected to propagating edge channels through tunnel barriers.…
Maskless and targeted creation of arrays of colour centres in diamond using focused ion beam technology
Margarita Lesik, Piernicola Spinicelli, Sébastien Pezzagna +9
The creation of nitrogen-vacancy centres in diamond is nowadays well controlled using nitrogen implantation and annealing. Although the high-resolution placement of NV centres has…