Anomalies in the pseudogap phase of the cuprates: competing ground states and the role of umklapp scattering

NJ Robinson, PD Johnson, TM Rice… - Reports on Progress in …, 2019 - iopscience.iop.org
Over the past two decades, advances in computational algorithms have revealed a curious
property of the two-dimensional Hubbard model (and related theories) with hole do**: the …

Antiferromagnetism induced by bond Su-Schrieffer-Heeger electron-phonon coupling: A quantum Monte Carlo study

X Cai, ZX Li, H Yao - Physical review letters, 2021 - APS
Antiferromagnetism (AFM) such as Néel ordering is often closely related to Coulomb
interactions such as Hubbard repulsion in two-dimensional (2D) systems. Whether Néel …

High-temperature charge density wave correlations in La1.875Ba0.125CuO4 without spin–charge locking

H Miao, J Lorenzana, G Seibold… - Proceedings of the …, 2017 - National Acad Sciences
Although all superconducting cuprates display charge-ordering tendencies, their low-
temperature properties are distinct, impeding efforts to understand the phenomena within a …

Incommensurate phonon anomaly and the nature of charge density waves in cuprates

H Miao, D Ishikawa, R Heid, M Le Tacon, G Fabbris… - Physical Review X, 2018 - APS
While charge density wave (CDW) instabilities are ubiquitous to superconducting cuprates,
the different ordering wave vectors in various cuprate families have hampered a unified …

Robustness of antiferromagnetism in the Su-Schrieffer-Heeger Hubbard model

X Cai, ZX Li, H Yao - Physical Review B, 2022 - APS
We recently unveiled that antiferromagnetism (AFM) order can be dominantly induced by the
bond Su-Schrieffer-Heeger (SSH) electron-phonon coupling (EPC), which is beyond the …

Functional renormalization group study of the two-dimensional Su-Schrieffer-Heeger-Hubbard model

QG Yang, D Wang, QH Wang - Physical Review B, 2022 - APS
We study the Hubbard model on the square lattice coupled in addition to the optical Su-
Schrieffer-Heeger (SSH) phonons, using the singular-mode functional renormalization …

Robust d-wave superconductivity from the Su-Schrieffer-Heeger-Hubbard model: possible route to high-temperature superconductivity

HX Wang, YF Jiang, H Yao - arxiv preprint arxiv:2211.09143, 2022 - arxiv.org
Increasing numerical studies showed that the simplest Hubbard model on the square lattice
with strong repulsion may not exhibit high-temperature superconductivity (SC). It is desired …

High field charge order across the phase diagram of YBa2Cu3Oy

F Laliberté, M Frachet, S Benhabib, B Borgnic… - npj Quantum …, 2018 - nature.com
In hole-doped cuprates there is now compelling evidence that inside the pseudogap phase,
charge order breaks translational symmetry. In YBa2Cu3O y charge order emerges in two …

Spatially inhomogeneous competition between superconductivity and the charge density wave in YBa2Cu3O6.67

J Choi, O Ivashko, E Blackburn, R Liang… - Nature …, 2020 - nature.com
The charge density wave in the high-temperature superconductor YBa2Cu3O7− x (YBCO)
has two different ordering tendencies differentiated by their c-axis correlations. These …

Charge orders, magnetism and pairings in the cuprate superconductors

T Kloss, X Montiel, VS De Carvalho… - Reports on Progress …, 2016 - iopscience.iop.org
We review the recent developments in the field of cuprate superconductors with special
focus on the recently observed charge order in the underdoped compounds. We introduce …