Quantum Technologies Collaboration - Research Projects

QTC@PSI covers a broad range of Quantum Technology research, from theory to experiment, from materials to device. Many of these projects harness the unique combination of techniques available at PSI


Many-body localisation and hole-burning in random quantum magnets

We study the phenomenology and the microscopic theory of non-linearly driven, many-body localised quantum magnets. We analyze the linear response far-off-equilibrium as a means to probe and characterize many-body localization. Details


Hyper Quantum Criticality

Hyper Quantum Criticality – HyperQC is a major initiative with the aim of generating and controlling novel phases of correlated magnetic quantum matter, and of exploring them in high-precision experiments. A combination of new capabilities enabled by the development of instrumentation, pioneering ultra-fast studies and experiments on magnetic model materials will allow both the exploration of fundamental Hamiltonians and fully quantitative tests of quantum criticality in hyper-parameter space: temperature, magnetic field, pressure, energy, momentum and time.

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From topology in condensed matter to quantum information and spintronics

The possibilities to use topological protected boundary states and bulk excitations in quantum many-body physics as a platform for quantum information and spintronics will be investigated.


Topological Quantum States

The focus of our current research is novel topological quantum matter including correlated topological insulators and newly discovered Weyl semimetals.


Electronic structure of novel heterostructure systems for quantum electronics

We use soft-X-ray photoelectron spectroscopy at the Swiss Light Source to explore electronic structure of buried interface and impurity systems (oxide, semiconductor and topological interfaces, proximity effects, magnetic impurities, etc.) which are in the core of nowadays and future quantum electronics.

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Molecular Nanoscience

Research activities involve controlling spins in adsorbed molecules by chemical and/or physical switches. We perform in-depth spectro microscopy correlation studies, also with Synchrotron light of various molecule-switch combinations in order to understand the mechanisms ruling the magnetic response. We are also active in on-surface chemistry and on-surface supramolecular chemistry to develop organic and inorganic surfaces and interfaces with new and tunable properties.


Nonlinear X-ray Spectroscopy

We intend to develop nonlinear X-ray spectroscopical methods in the hard and soft X-ray regime.


Quantum telecommunication and sensing with Spins in Silicon Carbide

Silicon Carbide is a wide bandgap semiconductor (3.2eV bandgap for the 4H polytype) with several Spin active photon emitters (SPEs) with optical transitions in the near-infrared. This projects builds on PSI's extensive knowledge of working with SiC, and nanoscale fabrication to develop SiC based devices for quantum sensing and communications.