Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session A09: Superconductivity: Theory General
8:00 AM–10:48 AM,
Monday, March 4, 2019
BCEC
Room: 151A
Sponsoring
Units:
DMP DCMP
Chair: Pavel Volkov
Abstract: A09.00005 : Renormalization group study of superconductivity in Nickelates*
8:48 AM–9:00 AM
Presenter:
Michael Klett
(Institute for Theoretical Physics, University of Wuerzburg)
Authors:
Michael Klett
(Institute for Theoretical Physics, University of Wuerzburg)
Tilman Schwemmer
(Institute for Theoretical Physics, University of Wuerzburg)
Xianxin Wu
(Institute for Theoretical Physics, University of Wuerzburg)
David Riegler
(Institute for Theoretical Physics, University of Wuerzburg)
Ronny Thomale
(Institute for Theoretical Physics, University of Wuerzburg)
Although LaNiO3/LaAlO3 shares many similarities with the cuprates, it exhibits no superconducting phase down to lowest temperatures.
In this talk we sketch a simple two-band model of a d7 Nickelate-compound and argue why, based on renormalization group calculations competing superconducting ordering propensities make these systems belong to the class of low-Tc materials.
*ERC-StG-TOPOLECTRICS-336012, DFG-SFB 1170 Project B04,
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