Fractal excitations in dilute magnets

作者: Y. Yeshurun , M. B. Salamon

DOI: 10.1080/13642818708215331

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摘要: Abstract The low-temperature magnetization in a series of amorphous (Cop Ni1-p)75 P16B6A13 alloys (0·34 ≤ p 0·5) deviates strongly from the Bloch T3/2 law. These deviations are shown to result short-wavelength excitations (‘fractons’) for which random magnetic network looks fractal.

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