Time: 13:00 – 18:00 (Geneva time)
Place: Zoom, coordinates provided on invitation
The purpose of this workshop is to advance the understanding of the mechanism of superconducting pairing in SrTiO3.
Organizers:
Yaron Kedem (Nordita, Stockholm, Sweden)
Dirk van der Marel (University of Geneva, Switzerland)
Nimrod Bachar (University of Geneva, Switzerland)
13h00-13h10 Welcome and instructions (organizers)
13h10-14h25 Phenomenology of the phase diagram
Chair: M. Sigrist
13h25 A. Bhattacharya: Superconductivity in SrTiO3 in the single band limit
13h40 W. Rischau / I.Inoue: Ferroelectricity and superconductivity in Ca- and 18O-substituted SrTiO3
13h55 S. Stemmer: Interactions between ferroelectricity and superconductivity in SrTiO3
14h30-15h30 General considerations of electron-phonon coupling
Chair: E. Demler
14h30 D. van der Marel: Electron-phonon coupling from optics
14h45 S. Klimin: Superconductivity and optical response of a many-polaron gas in SrTiO3
15h00 S. Rowley: Superconductivity mediated by hybrid polar modes in ferroelectric metals
15h15 A. Edelman: Plasmons and optic phonons in SrTiO3
15h45-16h45 Superconductivity mediated by FE fluctuations
Chair: C. Berthod
15h45 Y. Kedem: Pairing by quantum critical ferroelectric modes: both sides of the dome
16h00 J. Ruhman: On the relevance of ferroelectric fluctuations to pairing in SrTiO3
16h15 A. Balatsky: Puzzles of the soft mode and multiband superconductivity in SrTiO3
16h30 R. Fernandes: Anisotropic superconductivity mediated by ferroelectric fluctuations in cubic systems with spin-orbit coupling: possible application to SrTiO3
17h00-17h40 General discussion
Moderator: S. Saxena
17h40-18h00 Concluding overview
N. Spaldin: What I would still like to understand about SrTiO3