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首页> 外文期刊>Physics in Canada >EMERGENT SPIN TOPOLOGY IN CUPRATE SUPERCONDUCTORS SEEN WITH NEUTRONS
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EMERGENT SPIN TOPOLOGY IN CUPRATE SUPERCONDUCTORS SEEN WITH NEUTRONS

机译：带有中子的杯形超导体的紧急自旋拓扑

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摘要

Since the discovery of high-temperature superconductivity in cuprates, neutron scattering has been instrumental in revealing their magnetic properties. The parent compounds are ordered antiferromagnets whose spin excitations travel freely in copper oxide planes as spin waves arising from the exchange coupling of copper,spins. As carriers are doped into the material, magnetic order is destroyed, but strong spin correlations persist and coexist with a relatively low density of carriers. These form pairs that produce a phase of coherent superconductivity remarkably close to the magnetic phase. Since the neutron has a magnetic moment, scientists have been able to see with neutron beams how the magnetic correlations evolve as superconducting pairs increase.
机译：自从发现铜酸盐中的高温超导性以来，中子散射一直在揭示其磁特性方面发挥了作用。母体化合物是有序的反铁磁体，其自旋激发在氧化铜平面中自由移动，这是由自旋波与铜自旋的交换耦合产生的自旋波。随着载流子被掺杂到材料中，磁序被破坏，但是强自旋相关性持续存在并与相对低密度的载流子共存。这些形式对产生相干超导相，该相干非常接近磁相。由于中子具有磁矩，因此科学家已经能够用中子束看到随着超导对的增加，磁相关如何演化。

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