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arXiv 1808.07201cond-mat.supr-con
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超导体LaFeAsO的声子色散关系和氧同位素效应

Phonon Dispersion Relationship and Oxygen Isotope Effect in Superconductor LaFeAsO

Myong Chol Pak, Chol Won Ri, Hak Chol Pak, Kum Hyok Jong

摘要:

本文对LaFeAsO超导体的声子色散关系进行了初步的计算,并研究了该超导体的一个主要性质--氧同位素效应。基于这种声子色散关系,我们发现氧同位素效应的一个重要原因与声子有关。这一结果与超导体LaFeAsO中氧同位素效应的功率指数较小的实验数据相吻合。

英文摘要:

In this paper we calculate ab initially the phonon dispersion relationship of the superconductor LaFeAsO and investigate a main property in the superconductor, the oxygen isotope effect. Based on this phonon dispersion relationship, we find the fact that an important reason of the oxygen isotope effect is connected with the phonon. This result agrees well with the experimental data where the power index of the oxygen isotope effect in the superconductor LaFeAsO is small.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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