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May 7, 2020

A Discovery That Long Eluded Physicists: Superconductivity to the Edge

Posted by in categories: computing, quantum physics

Princeton researchers detect a supercurrent a current flowing without energy loss at the edge of a superconductor with a topological twist.

A discovery that long eluded physicists has been detected in a laboratory at Princeton. A team of physicists detected superconducting currents — the flow of electrons without wasting energy — along the exterior edge of a superconducting material. The finding was published May 1 in the journal Science.

The superconductor that the researchers studied is also a topological semi-metal, a material that comes with its own unusual electronic properties. The finding suggests ways to unlock a new era of “topological superconductivity” that could have value for quantum computing.

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