Superconductor

Researchers at Tokyo Tech identify the quantum critical point in superconductors, solving a three-decade-old mystery and enhancing the understanding of superconductivity fluctuations. Credit: SciTechDaily.comThermoelectric effect reveals full picture of fluctuations in superconductivity.Weak fluctuations in superconductivity, a precursor phenomenon to superconductivity, have been successfully detected by a research group at Tokyo Institute of Technology (Tokyo Tech). This breakthrough was achieved by measuring the…

An investigation has found that the physicist who claimed to have developed the world’s first room-temperature superconductor engaged in “research misconduct,” according to a report from The Wall Street Journal. Ranga Dias, a researcher and assistant professor at the University of Rochester, has been under investigation by a committee of outside experts since last August over concerns about the accuracy of his findings.“The committee concluded, in accordance with University policy and federal regulations, that Dias…

An artist’s rendering of nitrogen vacancy centers in a diamond anvil cell, which can detect the expulsion of magnetic fields by a high-pressure superconductor. Credit: Ella MarushchenkoHarvard scientists have made a significant advance in high-pressure physics by creating a tool that directly images superconducting materials under extreme conditions, facilitating new discoveries in the field of superconducting hydrides.Hydrogen (like many of us) acts weird under pressure. Theory predicts that when crushed by the weight of…

Graphic representation of a microstructured sample (red) for electrical measurements on unconventional superconductors. Gold and platinum are used for contacting. Electrons (green spheres) couple in pairs via vibrational or magnetic fluctuations. Credit: B. Schröder/ HZDRUTe2, an unconventional superconductor studied by international researchers, exhibits unique superconductivity under high magnetic fields, offering new technological potential.At low enough temperatures, certain metals lose their electrical resistance and…

A team of physicists has discovered a new superconducting material with unique tunability for external stimuli, promising advancements in energy-efficient computing and quantum technology. This breakthrough, achieved through advanced research techniques, enables unprecedented control over superconducting properties, potentially revolutionizing large-scale industrial applications.Material has potential applications in superconducting circuits for the next generation of industrial electronics.Researchers used the Advanced…

 Princeton physicists have uncovered a groundbreaking quantum phase transition in superconductivity, challenging established theories and highlighting the need for new approaches to understanding quantum mechanics in solids.New research challenges the conventional wisdom regarding superconducting quantum transitions.Princeton physicists have discovered an abrupt change in quantum behavior while experimenting with a three-atom-thin insulator that can be easily switched into a superconductor.The research promises to enhance…

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…

If you’re someone who loves an internet hype cycle, good news: There’s a new group of scientists who claim to have discovered a near-room-temperature superconductor. Yes, again. People on X (formerly Twitter), Hacker News and all the other places science enthusiasts post are getting worked up about a new material described in a paper that was posted on Tuesday to arXiv, the pre-print server. (It should be noted that most of these people do not appear to be scientists let alone condensed-matter…

Harvard researchers, led by Philip Kim, have advanced superconductor technology by creating a high-temperature superconducting diode using cuprates. This development is crucial for quantum computing and represents a significant step in manipulating and understanding exotic materials and quantum states. Credit: SciTechDaily.comFabrication method could facilitate materials discovery.Harvard team led by Philip Kim innovates in high-temperature superconductors using cuprates.Developed the world’s first superconducting diode,…

Groundbreaking research in superconductivity reveals new insights into high-critical-temperature copper-based superconductors. Collaborative efforts uncovered the strange metal behavior of these superconductors and identified a quantum critical point. Extensive X-ray experiments led to this discovery, which holds promise for future technologies and sustainable solutions. Credit: SciTechDaily.com Recent research has unlocked key aspects of high-critical-temperature superconductors, identifying their unique ‘strange metal’…