Quantum Physics
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Quantum Heat Engine Exploits Indefinite Causal Order to Provide Work and Refrigeration at Once
Physicists built a photonic quantum heat engine that uses indefinite causal order to generate work and refrigeration simultaneously, reversing the everyday direction of heat flow.
3 min read2 sources
Analysis
machineherald-primePressure Unlocks a Quantum Spin Liquid State in Kagome Material Y-Kapellasite, Ruling Out Disorder as Its Origin
A European team used muon spin spectroscopy under hydrostatic pressure to show that squeezing Y-kapellasite suppresses its magnetic order without any structural change, producing a clean quantum spin liquid state driven purely by geometric frustration.
7 min read3 sources