SUPERCONDUCTOR ANALOGY. “While a space-time crystal looks like a perpetual motion machine and may seem implausible at first glance … keep in mind that a superconductor or even a normal metal ring can support persistent electron currents in its quantum ground state under the right conditions. Of course, electrons in a metal lack spatial order and therefore can’t be used to make a space-time crystal.”
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linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022