Coexistence of Superconductivity and Itinerant Ferromagnetism in Ferromagnetic Metals UCoGe and UIr

A microscopic coexistence of itinerant ferromagnetism (FM) and superconductivity (SC) is studied in a single band homogenous system, following an equation of motion method and Green’s function technique. Self-consistent equations for superconducting order parameter (Δ) and magnetization parameter (...

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Bibliographic Details
Published in:Journal of superconductivity and novel magnetism 2011-07, Vol.24 (5), p.1527-1545
Main Authors: Kakani, Subhra, Pancholi, K. C., Kakani, S. L.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Condensed Matter Physics
Density of states
Electronics
Ferromagnetism
Free energy
Magnetic Materials
Magnetism
Mathematical analysis
Order parameters
Original Paper
Physics
Physics and Astronomy
Specific heat
Strongly Correlated Systems
Superconductivity
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Summary:A microscopic coexistence of itinerant ferromagnetism (FM) and superconductivity (SC) is studied in a single band homogenous system, following an equation of motion method and Green’s function technique. Self-consistent equations for superconducting order parameter (Δ) and magnetization parameter ( M ) are derived. It is shown that there generally exists a coexistent (Δ≠0, M ≠0) solution to the coupled equations of the order parameters in the temperature range 0< T
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-010-0927-1