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首页> 外文期刊>Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics >p-wave pairing and colossal magnetoresistance in manganese oxides
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p-wave pairing and colossal magnetoresistance in manganese oxides

机译:锰氧化物中的p波对和巨大磁阻

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We point out that the existing experimental data of most manganese oxides show the frustrated p-wave superconducting condensation in the ferromagnetic phase in the sense that the superconducting coherence is not long enough to cover the whole system. The superconducting state is similar to the A(1) state in superfluid He-3. The sharp drop of resistivity, the steep jump of specific heat, and the gap opening in tunneling are well understood in terms of the p-wave pairing. In addition, colossal magnetoresistance (CMR) is naturally explained by the superconducting fluctuations with increasing magnetic fields. The finite resistivity may be due to some magnetic inhomogeneities. This study leads to the possibility of room temperature superconductivity. [References: 34]
机译:我们指出,现有的大多数氧化锰实验数据表明,在超导相干性不足以覆盖整个系统的意义上,在铁磁相中出现了沮丧的p波超导冷凝。超导状态类似于He-3中的A(1)状态。电阻率的急剧下降,比热的急剧变化以及隧穿中的缝隙开口都可以通过p波配对来理解。另外,巨大的磁阻(CMR)自然地由随磁场增加的超导波动来解释。有限的电阻率可能是由于某些磁性不均匀性造成的。这项研究导致了室温超导的可能性。 [参考:34]

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