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Competing Charge Density Wave and s-wave Superconductivity in Inhomogeneous systems

Banerjee, Anurag (2015) Competing Charge Density Wave and s-wave Superconductivity in Inhomogeneous systems. Masters thesis, Indian Institute of Science Education and Research Kolkata.

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    Abstract

    The competition between Charge Density Wave and s-wave Superconductivity is studied in the presence of disorder using Inhomogeneous Mean Field Theory(BdG Formalism). For half-filled uniform systems both orders coexist. It was found that away from half-filling and with disorder the Superconducting order dominates the Charge DensityWave. For a strongly disordered superconductivity, an explanation for recently reported movement of `Superconducting islands' with density is also given.

    Item Type: Thesis (Masters)
    Additional Information: Supervisor: Dr. Amit Ghosal
    Uncontrolled Keywords: BCS Theory; Bardeen–Cooper–Schrieffer Theory; Bogoliubov-DeGennes(BdG) Formalism; Charge Density Wave; Gap Equations; Inhomogeneous systems; Superconductivity; s-wave; Uniform Systems
    Subjects: Q Science > QC Physics
    Divisions: Department of Physical Sciences
    Depositing User: IISER Kolkata Librarian
    Date Deposited: 23 Jun 2016 10:46
    Last Modified: 23 Jun 2016 10:47
    URI: http://eprints.iiserkol.ac.in/id/eprint/339

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