Perspectives

Quantum Hysteresis in Molecular Magnets

Science  08 Nov 1996:
Vol. 274, Issue 5289, pp. 938-939
DOI: 10.1126/science.274.5289.938

Summary

Magnetic materials normally exhibit a smooth response to external fields, but recent experiments reported in Physical Review Letters yield stepwise response curves. In his Perspective, Chudnovsky discusses the results, which may be evidence for quantum behavior on a macroscopic scale.

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