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cond-mat.supr-con2023★ 17 cited
Multiband strong-coupling superconductors with spontaneously broken time-reversal symmetry
Niels Henrik Aase, Kristian Mæland, Asle Sudbø
We study superconducting three-band systems within strong-coupling Eliashberg theory. In particular, we search for phase-frustrated superconducting systems with spontaneous time-re…
cond-mat.supr-con2023★ 13 cited
Constrained weak-coupling superconductivity in multiband superconductors
Niels Henrik Aase, Christian Svingen Johnsen, Asle Sudbø
We consider superconductivity in a system with Fermi surfaces, including intraband and interband effective electron-electron interactions. The effective interaction is describe…