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管惟炎等人观察到的Al-Si急冷合金的负磁阻效应,实际上就是以R-He曲线的形式表示出来的第二类超导膜的纵场峰值效应。在磁通线切割模型基础上,对这个效应提出了一个可能的解释。The analysis of the present letter shows that the negative magneto-resistance effect, observed by Guan Wei-yan et al. in rapidly cooled Al-Si alloys, is nothing but the longitudinal peak effect in films of type II superconductors displayed in the form of R-H3 curves. Based on the flux-line-cutting model, a possible explanation for this ef-fect is proposed.
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