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Pseudopotential study of the superconducting behaviour of MgB2 : HFP technique

Jayprakash Yadav, S.M. Rafique, Md.Tauhid Alam and Umakant Prasad


The study of recent literature reveals that the discovery of high TC (TC = 39K) superconductivity (SC) in MgB2 has generated considerable interest in this binary system. The appearance of high TC SC in such a simple system which does not contain transition metals has led to considerable optimism among workers. The phonon mediated BCS type mechanism has been acknowledged to be a good tool for its theoretical study viaMcMillan formalism. Recent studies are the milestones in this direction. In this paper, we report the HarrisonÂ’s First Principle Pseudopotential (HFPP) study of this system so as to bring out the effectiveness of this technique which has not been explored as yet. It has been observed that due to the unique double layered structure ofMgB2 some adjustable parameter is to be introduced in the computation of the form factor so as to predict the SC parameters in reasonable agreementwith experiment.


索引于

  • 中国社会科学院
  • 谷歌学术
  • 打开 J 门
  • 中国知网(CNKI)
  • 引用因子
  • 宇宙IF
  • 研究期刊索引目录 (DRJI)
  • 秘密搜索引擎实验室
  • ICMJE

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