12 Mar 2018

European Microkelvin Platform in Nature Materials Reviews

The growing demands of quantum materials, engineering and technology make access to microkelvin temperatures ever more essential. Experience in Europe suggests that new working methods, encouraged by an imaginative funding atmosphere, can…

05 Mar 2018

Template-assisted nanowire networks on arXiv!

Topological qubits based on Majorana fermions have the potential to revolutionize the emerging field of quantum computing by making information processing significantly more robust to decoherence. Nanowires (NWs) are a promising medium for…

13 Feb 2018

Edge state tunneling spectroscopy paper on arXiv!

One of the most intriguing and fundamental properties of topological materials is the correspondence between the conducting edge states and the gapped bulk spectrum. So far, it has been impossible to access the full evolution of edge states…

05 Feb 2018

Master Project available

We are looking for a highly motivated master student who is interested in working on low temperature quantum transport experiments. The goal of those experiments is to utilize a new spectroscopy technique developed in our group with the aim…

27 Jan 2018

Work on the European Microkelvin Platform (EMP) infrastructures proposal in Heidelberg

After hours of deliberations, changes and small-group work sessions, it's quite energizing to see the progress on the proposal achieved in the past three days in Heidelberg on the European Microkelvin Platform EMP!! After hours of…

18 Jan 2018

Symmetry Breaking of the Persistent Spin Helix in Quantum Transport appeared on arXiv!

In this work, we show that the physics of the quantum corrections to the conductivity around the persistent spin helix symmetry point can be treated very similar to the case with weak spin-orbit (SO) coupling, where the small parameter is…

05 Jan 2018

Coldest chip of the world went viral!!

Telebasel, Radio NRJ, Deutschlandfunk, Spiegel online, Newsweek, various Swiss, German and Austrian news papers, and even the Basel trams were featuring it, see picture... our low temperature record on a chip got a lot of attention!

21 Dec 2017

Group Dinner, Wednesday night, Dec 20, 2017

Really nice and fun group dinner last night, with some graduates coming back as well as a few select guests: great to see graduates Dorothee, Dario, Florian, and Tobias! And of course the two most recent doctors Mario and Pirmin! Great…

20 Dec 2017

Low temperature record published in APL as an Editor's pick, with Scilight!

A Coulomb blockade thermometer was cooled to 2.8 mK with on-and-off chip magnetic refrigeration performed on a pulse tube dilution refrigerator platform... working towards new physics at ultralow temperatures. Published in Applied Physics…

08 Nov 2017

Hyperfine-phonon spin relaxation in a single-electron GaAs quantum dot

Understanding and control of the spin relaxation time T1 is among the key challenges for spin based qubits. A larger T1 is generally favored, setting the fundamental upper limit to the qubit coherence and spin readout fidelity. We establish…

19 Sep 2017

New Homepage online

We finally moved to our new Homepage!