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Browsing by Author "Kamar, Naushad Ahmad"

Browsing by Author "Kamar, Naushad Ahmad"

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  • Disorder and proximity driven phenomena in s-wave superconductors 
    Kamar, Naushad Ahmad (Jawaharlal Nehru Centre for Advanced Scientific ResearchTheoretical Sciences Unit (TSU), 2014-09-22)
    In this thesis, we have investigated two important issues in s-wave superconductors, namely effects of disorder and the proximity to normal metal on the superconducting state. The present thesis employs the framework of ...
  • Random Local Attraction Driven Metal-Superconductor Transition 
    Kamar, Naushad Ahmad; Vidhyadhiraja, N. S. (Physical Society of Japan, 2015)
    In this paper, we investigate the disordered attractive Hubbard model by combining dynamical mean field theory, coherent potential approximation and iterated perturbation theory for superconductivity as an impurity solver. ...
  • Site-disorder driven superconductor-insulator transition: a dynamical mean field study 
    Kamar, Naushad Ahmad; Vidhyadhiraja, N. S. (IoP Publishing Ltd, 2014)
    We investigate the effect of site disorder on the superconducting state in the attractive Hubbard model within the framework of dynamical mean field theory. For a fixed interaction strength (U), the superconducting order ...

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