Giant magnetocaloric effect in spin supersolid candidate Na2BaCo(PO4)2
Supersolid, an exotic quantum state of matter that consists of particles forming an incompressible solid structure while simultaneously showing superfluidity of zero viscosity1, is one of the long-standing pursuits in fundamental research2,3. Although the initial report of 4He supersolid turned out to be an artefact4, this intriguing quantum matter has inspired enthusiastic investigations into ultracold quantum gases5–8. Nevertheless, the realization of supersolidity in condensed matter re...
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Source: nature.com