Dr. Johneph Sukham †
Quantum scientist at the Walther-Meißner-Institute
On July 3 Johneph Sukham died in a tragic accident. He joined the Walther-Meißner-Institute in February 2021 as a quantum…
Effects of surface treatments and UHV packaging on flux tunable transmon qubits
The last two decades have seen significant advances in the coherence times of superconducting qubits. However, further…
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We explore the physics at low and ultra-low temperatures with special focus on superconductivity and magnetism as well as on the control of quantum systems in the field of quantum technologies.
The methods we are developing and using for exploring organic conductors, can be transferred to other materials of topical interest. Recently, the high-field magnetotransport and magnetic quantum…
In our studies of highly anisotropic correlated electronic systems in organic conductors we are broadly using high-field semiclassical magnetotransport and quantum magnetic oscillations as tools…
The Mott metal-insulator transition is one of the fundamental hallmarks of electronic correlations in a metal. Unconventional superconductivity and other fascinating phenomena often emerge in close…
Hybrid materials combining nontrivial conducting and magnetic properties are of high current interest due to potential spintronic applications. Furthermore, they present important fundamental…
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Das WMI macht Forschung auf dem Gebiet der Physik. Physik ist eine Naturwissenschaft.
Walther Meißner war…
Organic Metals and Superconductors
From the everyday experience one normally identifies organic materials as electrical insulators. However, there is a class of synthetic molecular charge-transfer salts, which exhibit metallic…
The salts alpha-(BEDT-TTF)2MHg(SCN)4 with M = K, Tl exhibit a rich phase diagram including various charge-density-wave (CDW) and superconducting (SC) states, depending on…
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The WMI educates young people in condensed matter and quantum physics, plans and coordinates research projects. performs experiments at low and ultra-low temperatures, publishes various research…
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The primary focus of this project will be on the design, optimal characterization and control of multi-qubit superconducting devices based on transmon qubits in a circuit QED architecture. We will…
Team members
Max Werninghaus (PhD student working at IBM Research – Zurich) Federico Roy (PhD student working IBM Research – Zurich)
Collaborators
Daniel Egger (IBM Research – Zurich) Shai…
The primary focus of this project will be on the design, optimal characterization and control of multi-qubit superconducting devices based on transmon qubits in a circuit QED architecture. We will…
The European Union has approved SUPREME, a major new pilot line to industrialise superconducting quantum chip fabrication, across 8 EU member states.
WMI has demonstrated how to control a quantum bit when the control channel is closed at its eigenfrequency
Superconducting circuits incorporating Josephson elements represent a promising hardware platform for quantum technologies. Potential applications include scalable quantum computing, microwave…
Protecting qubits from environmental noise while maintaining strong coupling for fast high-fidelity control is a central challenge for quantum information processing. Here, we demonstrate a novel…
Achieving fast and high-fidelity qubit operations is crucial for unlocking the potential of quantum computers. In particular, reaching low gate errors in two-qubit gates has been a long-standing…
As systems for quantum computing keep growing in size and number of qubits, challenges in scaling the control capabilities are becoming increasingly relevant. Efficient schemes to simultaneously…
As quantum information technologies advance they face challenges in scaling and connectivity. In particular, two necessities remain independent of the technological implementation: the need for…
Rare-earth spin ensembles are a promising platform for microwave quantum memory applications due to their hyperfine transitions, which can exhibit exceptionally long coherence times when using an…
We investigate the growth of amorphous MoSi thin films using magnetron co-sputtering and optimize the growth conditions with respect to crystal structure and superconducting properties (e.g.,…
The mechanical properties of thin films can vary significantly due to variations in the deposition process. Monitoring these properties is essential when, e.g., engineering micro-mechanical devices.…
The resistance of a heavy metal can be modulated by an adjacent magnetic material through the combined effects of the spin Hall effect, inverse spin Hall effect, and dissipation of the spin…
Altermagnetism has surfaced as a novel magnetic phase, bridging the properties of ferro- and anti-ferromagnetism. The momentum-dependent spin-splitting observed in these materials reflects their…
The Quantum Entrepreneurship Lab (QEL) is a one-semester, project-based course at the Technical University of Munich (TUM), designed to bridge the gap between academic research and industrial…
PRO MERITIS SCIENTIAE ET LITTERARURUM award from the State Ministry of Science and the Arts for BAdW member and WMI Director Rudolf Gross
