铜氧化物高温超导体的超导性能。
Superconducting properties of copper oxide high-temperature superconductors.
机构信息
Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, CA 91125.
出版信息
Proc Natl Acad Sci U S A. 1989 May;86(10):3447-51. doi: 10.1073/pnas.86.10.3447.
The equations for the magnon pairing theory of high-temperature copper-oxide-based superconductors are solved and used to calculate several properties, leading to results for specific heat and critical magnetic fields consistent with experimental results. In addition, the theory suggests an explanation of why there are two sets of transition temperatures (T(c) approximately 90 K and T(c) approximately 55 K) for the Y(1)Ba(2)Cu(3)O(6+x) class of superconductors. It also provides an explanation of why La(2-x)Sr(x)CuO(4) is a superconductor for only a small range of x (and suggests an experiment to independently test the theory). These results provide support for the magnon pairing theory of high-temperature superconductors. On the basis of the theory, some suggestions are made for improving these materials.
高温铜氧化物基超导体的磁振子配对理论的方程得到了解决，并用于计算几个性质，得到的比热和临界磁场的结果与实验结果一致。此外，该理论还解释了为什么 Y(1)Ba(2)Cu(3)O(6+x)类超导体有两组转变温度（T(c)约为 90 K 和 T(c)约为 55 K）。它还解释了为什么 La(2-x)Sr(x)CuO(4) 仅在 x 的一小范围内是超导体（并提出了一个独立测试该理论的实验建议）。这些结果为高温超导体的磁振子配对理论提供了支持。基于该理论，对这些材料的改进提出了一些建议。
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