Quantum Materials

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…

Schematic representation showing how a graphene layer protects against water. The electrical current flowing along the edge of the topological insulator indenene remains completely unaffected by external influences. Credit: Jörg Bandmann, pixelwgResearchers have developed a groundbreaking protective coating for indenene, a quantum material promising for ultrafast electronics, enabling its use in air without oxidation. This innovation could revolutionize the future of atomic layer electronics.The race to create…

Rice University researchers have discovered a novel 3D crystalline metal that locks electrons in place due to a unique interplay of quantum correlations and the material’s geometric structure. This discovery highlights the role of flat electronic bands in determining a material’s properties and sets the stage for further explorations into quantum materials with pyrochlore lattice structures. Credit: SciTechDaily.comNew research validates method for guided discovery of 3D flat-band materials.Scientists at Rice University…

Researchers have identified a novel quantum state of matter with chiral currents, potentially revolutionizing electronics and quantum technologies. This breakthrough, confirmed through direct observation using the Italian Elettra synchrotron, holds vast applications in sensors, biomedicine, and renewable energy. Credit: SciTechDaily.comAn international research group has identified a novel state of matter, characterized by the presence of a quantum phenomenon known as chiral current.These currents are generated on an…

Researchers have discovered a new 2D quantum material, CeSiI, marking the first instance of heavy fermions in a 2D structure. This breakthrough by Uppsala and Columbia University scientists paves the way for advanced studies on quantum phenomena and the development of materials with tailored quantum properties.Researchers at Uppsala University, along with other collaborators, have discovered a novel 2D quantum material in a recent study published in Nature. This groundbreaking material is composed of atomically thin…

Researchers have developed an advanced optical technique to uncover hidden properties of the quantum material Ta2NiSe5 (TNS) using light. By employing terahertz time-domain spectroscopy, the team observed anomalous terahertz light amplification, indicating the presence of an exciton condensate. This discovery opens up new possibilities for using quantum materials in entangled light sources and other applications in quantum physics. Credit: SciTechDaily.comScientists used a laser-based technique to reveal hidden quantum…

Columbia University researchers have synthesized the first 2D heavy fermion material, CeSiI, a breakthrough in material science. This new material, easier to manipulate than traditional 3D heavy fermion compounds, opens up new possibilities in understanding quantum phenomena, including superconductivity. Credit: SciTechDaily.comColumbia University’s creation of CeSiI, the first 2D heavy fermion material, marks a significant advancement in quantum material science. This development paves the way for new research into…

By U.S. Department of Energy January 1, 2024Representation of nuclear matter on the left and of quark matter on the right. The question mark alludes to the question of whether these liquids can be distinguished in a theoretically rigorous manner. Credit: Institute of Modern Physics and Srimoyee Sen, Iowa State UniversityMatter inside neutron stars can have different forms: a dense liquid of nucleons or a dense liquid of quarks.Recent studies reveal that in neutron stars, quark liquids are fundamentally different from…

Rochester researchers have reported a strategy to understand how quantum coherence is lost for molecules in solvent with full chemical complexity. The findings open the door to the rational modulation of quantum coherence via chemical design and functionalization. Credit: Anny Ostau De Lafont The findings can be used to design molecules with custom quantum coherence properties, laying the chemical foundation for emerging quantum technologies.In quantum mechanics, particles can exist in multiple states at the same time,…

Researchers at Columbia University have developed Re6Se8Cl2, a superatomic semiconductor that outperforms silicon in speed and efficiency by forming unique quasiparticles. This discovery paves the way for exploring new materials in semiconductor technology. Columbia chemists discover ballistic flow in a quantum material, a finding which could help overcome shortcomings in semiconductors Semiconductors, particularly silicon, are fundamental to the operation of various electronic devices such as computers, cellphones, and…