In superconducting circuits, superinductors are employed to suppress charge fluctuations and increase zero-point voltage, enabling features for hardware-protected qubits, metrological standards, and strongly coupled hybrid devices. Conventionally these devices are based on kinetic inductance, and can suffer from nonlinearity, additional complexity due to multiterminal structure, and the limited control and reliability of bottom-up fabrication. Making use of miniaturization and substrate engineering, the authors realize a geometrically defined, single-wavefunction superinductor—a high-performance, innovative circuit element that promises to expand the scope of quantum circuitry.
With the help of the computer algorithm Melvin, quantum researchers from the Austrian Academy of Sciences and the University of Vienna have developed a new approach to manipulate complex constellations
Developing a quantum description for a many-body system is extremely hard. TU Wien (Vienna) and Heidelberg University found a way to obtain quantum theories directly from the experiment. A multi-particle
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