Hysteresis Steps Demonstrate Quantum Tunneling of Molecular Spins
作者:
Bertram Schwarzschild,
期刊:
Physics Today
(AIP Available online 1997)
卷期:
Volume 50,
issue 1
页码: 17-19
ISSN:0031-9228
年代: 1997
DOI:10.1063/1.881648
出版商: AIP
数据来源: AIP
摘要:
Hysteresis is Hysteresis is a familiar macroscopic phenomenon in the behavior of magnetic materials: When a sample is subjected to a varying external magnetic field, its magnetization curve does not, in general, retrace its steps as the external field in a fixed direction is swept from a large negative value to a large positive value and then back again. But until the summer of 1995, no one had ever seen quantum steps in a hysteresis loop.
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