A closer look at “Scientists discover first type I superconductor that breaks time-reversal symmetry”, exactly as the source publishes it. Physicists have discovered the first type I superconductor that breaks time-reversal symmetry, a quantum property previously observed only in type II superconductors. The material, rhenium, was studied by an international team led by researchers at the University of Kent and published in Nature Physics. Time-reversal symmetry breaking means that the superconductor's internal magnetic field behaves as if time flows in a particular direction, even though the underlying laws of physics are symmetric in time.
This finding challenges the conventional understanding that type I superconductors, which expel all magnetic fields, cannot exhibit such exotic behavior. The discovery could open new avenues for quantum computing, where time-reversal symmetry breaking is linked to topological superconductivity and Majorana fermions, particles that are their own antiparticles. For the complete material, the listing points back to the source inside the network.