Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session PP09: V: Strongly Correlated Systems, Including Quantum Fluids and Solids III
9:00 AM–11:00 AM,
Tuesday, March 21, 2023
Room: Virtual Room 9
Sponsoring
Unit:
DCMP
Chair: Harrison LaBollita, Arizona State University
Abstract: PP09.00003 : Cuprate-Specific Modeling of Pseudogap Collapse
9:24 AM–9:36 AM
Presenter:
Robert S Markiewicz
(Northeastern University)
Authors:
Robert S Markiewicz
(Northeastern University)
Bahadur Singh
(Northeastern University)
Christopher A Lane
(Los Alamos National Laboratory)
Arun Bansil
(Northeastern University)
- Gap collapse when the Van Hove singularity (VHS) of the lower magnetic band crosses the Fermi level;
Low-field limit Hall density diverges at a doping beyond the VHS crossing;
Fermi arcs associated with gap inhomogeneity;[1]
Superconducting Tc associated with strength of VHS, approaching high-order VHS.[2]
These results are in good agreement with experimental studies of pseudogap collapse.[3]
[1] R.S. Markiewicz and A. Bansil, ArXiv:2206.00077.
[2] R.S. Markiewicz, B. Singh, C. Lane, and A. Bansil, ArXiv:2105.04546.
[3] M. Lizaire et al., PRB104, 014515 (2021).
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