Coexistence of Even- and Odd-Frequency Superconductivities Under Broken Time-Reversal Symmetry
arXiv:1203.1712 · doi:10.1143/JPSJ.81.033702
Abstract
A novel superconducting state under the broken time-reversal symmetry is studied in conventional phonon-mediated superconductors. By solving the Eliashberg equation self-consistently with the mass renormalization effect, it is found that the even- and odd-frequency components of the order parameter coexist in the bulk system as a consequence of the broken time-reversal symmetry. This finding would direct more attention to the odd-frequency pairing that affects physical quantities, especially in strong coupling superconductors.
arXiv comment5 pages, 4 figures
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- Threefold enhancement of superconductivity and the role of field-induced odd-frequency pairing in epitaxial aluminum films near the 2D limit
- Eliashberg study of superconductivity induced by interfacial coupling to antiferromagnets
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- Odd-frequency pairing of Bogoliubov quasiparticles in superconductor junction