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  • News in Brief

    ‘Time crystals’ created in two new types of materials

    It was only a matter of time.

    A weird form of matter called a time crystal has made an appearance in two more types of materials, doubling the number of known time crystal habitats. In a typical crystal, its arrangement of atoms regularly repeats in space, such as the alternating sodium and chloride ions that make up a salt crystal. But time crystals’ patterns repeat themselves at...

    05/04/2018 - 07:00 Physics, Condensed Matter
  • News in Brief

    Give double-layer graphene a twist and it superconducts

    LOS ANGELES — Give a graphene layer cake a twist and it superconducts — electrons flow freely through it without resistance. Made up of two layers of graphene, a form of carbon arranged in single-atom-thick sheets, the structure’s weird behavior suggests it may provide a fruitful playground for testing how certain unusual types of superconductors work, physicist Pablo Jarillo-Herrero of MIT...

    03/08/2018 - 16:10 Condensed Matter, Materials
  • News

    Some meteorites contain superconducting bits

    LOS ANGELES — In the search for new superconductors, scientists are leaving no stone — and no meteorite — unturned. A team of physicists has now found the unusual materials, famous for their ability to conduct electricity without resistance, within two space rocks.

    The discovery implies that small amounts of superconducting materials might be relatively common in meteorites, James...

    03/07/2018 - 17:04 Condensed Matter, Astronomy
  • News

    Some high-temperature superconductors might not be so odd after all

    A misfit gang of superconducting materials may be losing their outsider status.

    Certain copper-based compounds superconduct, or transmit electricity without resistance, at unusually high temperatures. It was thought that the standard theory of superconductivity, known as Bardeen-Cooper-Schrieffer theory, couldn’t explain these oddballs. But new evidence suggests that the standard theory...

    12/08/2017 - 07:00 Condensed Matter, Physics, Materials
  • News

    Photons are caught behaving like superconducting electrons

    Light is a fan of the buddy system. Photons, or particles of light, have been spotted swapping energy with partners. This chummy behavior resembles how electrons pair up in materials that conduct current without resistance, known as superconductors, researchers report in a paper accepted in Physical Review Letters.

    Although the photons exchange energy like electrons do, it’s unknown...

    10/30/2017 - 15:21 Condensed Matter, Quantum Physics
  • News

    Turning up the heat on electrons reveals an elusive physics phenomenon

    When things heat up, spinning electrons go their separate ways.

    Warming one end of a strip of platinum shuttles electrons around according to their spin, a quantum property that makes them behave as if they are twirling around. Known as the spin Nernst effect, the newly detected phenomenon was the only one in a cadre of related spin effects that hadn’t previously been spotted,...

    09/26/2017 - 12:00 Condensed Matter, Physics