Theoretical Study of Density of States of Magnesium diboride Superconductor based on Multi band model |
Author(s): |
| Pradeep Chaudhary , Research scholar, Mewar University Gangrar Rajasthan India; Dr. S.C.Tiwari, Department of Physics, M.L.V. Govt. College Bhilwara Rajasthan, India; Dr. R.K.Paliwal, Dean Basic sciences, Department of Physics, Mewar University Gangrar, Chittorgarh, Rajasthan, India |
Keywords: |
| Two band superconductivity, Hamiltonian, Green’s functions, Superconducting order parameter, Density of states |
Abstract |
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Magnesium diboride with Tc = 39K is a record breaking compound among s-p metals & alloys. Many experiments performed on Magnesium diboride suggest that there are two superconducting gaps. Considering a multiband model Hamiltonian with intra- & inter band pair transfer interactions we have derived the normal and anomalous one-particle Green's function & self-consistent equations for superconducting order parameter(Δ) using Green's function technique & equation of motion method, we have studied the density of states. The results are quite encouraging. |
Other Details |
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Paper ID: IJSRDV2I9107 Published in: Volume : 2, Issue : 9 Publication Date: 01/12/2014 Page(s): 379-382 |
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