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<strong>Theoretical study of pressure dependence of superconducting state parameters of some metals using pseudopotential approach</strong>

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Title Statement <strong>Theoretical study of pressure dependence of superconducting state parameters of some metals using pseudopotential approach</strong>
 
Added Entry - Uncontrolled Name Kumar, Priyank
Bhatt, N K
Vyas, P R
Gohel, V B
 
Uncontrolled Index Term Superconducting state parameters; Pressure dependence; Superconductivity
 
Summary, etc. In the present theoretical study, we have calculated superconducting state parameters (SSPs) viz; electron-phonon coupling strength (λ), Coulomb pseudopotential (µ<sup>*</sup>), critical temperature (<em>T</em><sub>c</sub>), effective interaction strength (<em>N</em><sub>0</sub><em>V</em>) and isotopic effect parameter ( α) of some polyvalent metals (Pb, Ga, In, Sn and Tl) using well-established structured local pseudopotential due to Fiolhais <em>et al.</em> (1995). The pseudopotential with its individual set of parameters has been found to be good in predicting transition temperature <em>T</em><sub>c</sub> for all the metals. Looking to such success, we have extended the present model for the theoretical study of pressure dependence of transition temperature <em>T</em><sub>c</sub> using Debye- Gruneisen model. Our predicted critical volumes using different approaches are well agreed with each other and also with other reported findings. Thus, the present model is consistent and better than nonlocal norm conserving pseudopotentials because it is found to be transferable without any kind of adjustment of its parameters along with its simplicity and predictivity.
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2018-07-20 13:39:59
 
Electronic Location and Access application/pdf
http://op.niscair.res.in/index.php/IJPAP/article/view/16998
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 56, ##issue.no## 7 (2018): Indian Journal of Pure & Applied Physics
 
Language Note en
 
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