superconducting

By David L. Chandler, Massachusetts Institute of Technology March 5, 2024In MIT’s Plasma Science and Fusion Center, the new magnets achieved a world-record magnetic field strength of 20 tesla for a large-scale magnet. Credit: Gretchen ErtlDetailed study of high-temperature superconducting magnets built by MIT and Commonwealth Fusion Systems confirms they meet requirements for an economic, compact fusion power plant.In the predawn hours of September 5, 2021, engineers achieved a major milestone in the labs of MIT’s Plasma…

Stanford University’s research team has made a significant breakthrough in quantum technology by improving niobium-based qubits to match leading alternatives. This advancement highlights niobium’s potential to operate at higher temperatures and wider ranges, opening new possibilities for quantum computing. Credit: SciTechDaily.comExpanding possibilities for superconducting qubits.For years, niobium was considered an underperformer when it came to superconducting qubits. Now scientists supported by Q-NEXT have found a way…

Advancements in superconducting nanostrip detectors have achieved high-fidelity, true-photon-number resolution up to 10 photons, marking a significant leap in quantum information technology. Credit: SciTechDaily.comWider superconducting strips enable better photon-number resolution, with greater dynamic range and fidelity.Using single photons as qubits has become a prominent strategy in quantum information technology. Accurately determining the number of photons is crucial in various quantum systems, including quantum…

Cryogenic microwave setup used for quantum device measurements. Credit: Qinu GmbH, qinu.deQuantum bits can be described more precisely with the help of newly discovered harmonics as a team of 30 researchers reports in Nature Physics.Physicists have uncovered that Josephson tunnel junctions – the fundamental building blocks of superconducting quantum computers – are more complex than previously thought. Just like overtones in a musical instrument, harmonics are superimposed on the fundamental mode. As a consequence,…

By Hefei Institutes of Physical Science, Chinese Academy of Sciences January 22, 2024Researchers discovered a new superconducting material using the Steady High Magnetic Field Facility. This material exhibits a record-breaking superconducting transition temperature of 11.6 K for transition metal sulfide superconductors at ambient pressure and showcases an exceptionally high critical current density. Credit: SciTechDaily.comA breakthrough discovery of a new superconducting material sets a new record for transition metal…

Depicted is the superconducting miracle cerium-rhodium-arsenic (CeRh2As2). Thanks to a €2.7 million grant from the European Research Council, Elena Hassinger will be able to advance her research on this material at the Cluster of Excellence ct.qmat for the next five years. Credit: Jörg Bandmann/ct.qmatUnconventional Superconductor CeRh2As2: A Quantum SuperstarThe research conducted by Elena Hassinger, an expert in low-temperature physics working at ct.qmat—Complexity and Topology in Quantum Matter (a joint initiative by…

A joint research team has created a platform to investigate superconducting magnetic detection and magnetic phase transitions in hydrides under high pressure. Credit: HFIPSA collaborative research team has developed a research platform to study superconducting magnetic detection and magnetic phase transitions of hydrides under high pressure. This is according to a study published today (March 23) in the journal Nature Materials, with the scientists hailing from the Hefei Institutes of Physical Science of the Chinese…

The new detector is made of 32 niobium nitride superconducting nanowires on a silicon chip, which enables high count rates with high precision. Credit: Ryan Lannom, JPL-Caltech/NASAResearchers use a superconducting nanowire design for fast and precise photon counting.Researchers have developed a new detector that can precisely measure single photons at very high rates. The new device could help make high-speed quantum communication practical.Quantum communication uses light at the single <span…

Researchers have demonstrated that large numbers of quantum bits, or qubits, can be tuned to interact with each other while maintaining coherence for an unprecedentedly long time, in a programmable, solid-state superconducting processor.Long-Lived Coherent Quantum States in a Superconducting Device for Quantum Information TechnologyScientists have been able to demonstrate for the first time that large numbers of quantum bits, or qubits, can be tuned to interact with each other while maintaining coherence for an…

A group of physicists at Massachusetts Institute of Technology (MIT) recently achieved a feat that could pave the way for practical carbon-free power. The achievement was three years in the making . It is a result of intensive research and design work, project leaders say. For the first time, researchers built a large high-temperature superconducting electromagnet that can reach a field strength of 20 tesla — the most powerful magnetic field ever created. This has removed a key hurdle in the generation of clean fusion…