Physicists push quantum boundaries by turning a superfluid into a supersolid — and back — for the first time
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Physicists push quantum boundaries by turning a superfluid into a supersolid — and back — for the first time

Physicists saw excitons, a type of quasiparticle, undergo a reversible phase transition from superfluid to supersolid for the first time, opening new doors for studying extreme states of matter.