The remarkable underlying ground states of cuprate superconductors

C Proust, L Taillefer - Annual Review of Condensed Matter …, 2019 - annualreviews.org
Cuprates exhibit exceptionally strong superconductivity. To understand why, it is essential to
elucidate the nature of the electronic interactions that cause pairing. Superconductivity …

Topological order, emergent gauge fields, and Fermi surface reconstruction

S Sachdev - Reports on Progress in Physics, 2018 - iopscience.iop.org
This review describes how topological order associated with the presence of emergent
gauge fields can reconstruct Fermi surfaces of metals, even in the absence of translational …

The 2021 quantum materials roadmap

F Giustino, JH Lee, F Trier, M Bibes… - Journal of Physics …, 2021 - iopscience.iop.org
In recent years, the notion of'Quantum Materials' has emerged as a powerful unifying
concept across diverse fields of science and engineering, from condensed-matter and …

Tracking the footprints of spin fluctuations: A multimethod, multimessenger study of the two-dimensional Hubbard model

T Schäfer, N Wentzell, F Šimkovic IV, YY He, C Hille… - Physical Review X, 2021 - APS
The Hubbard model represents the fundamental model for interacting quantum systems and
electronic correlations. Using the two-dimensional half-filled Hubbard model at weak …

Chiral phonons in the pseudogap phase of cuprates

G Grissonnanche, S Thériault, A Gourgout… - Nature Physics, 2020 - nature.com
The nature of the pseudogap phase of cuprates remains a major puzzle,. One of its
signatures is a large negative thermal Hall conductivity, whose origin is as yet unknown …

Quantitative theory of magnetic interactions in solids

A Szilva, Y Kvashnin, EA Stepanov, L Nordström… - Reviews of Modern …, 2023 - APS
This review addresses the method of explicit calculations of interatomic exchange
interactions of magnetic materials. This involves exchange mechanisms normally referred to …

Triangular antiferromagnetism on the honeycomb lattice of twisted bilayer graphene

A Thomson, S Chatterjee, S Sachdev, MS Scheurer - Physical Review B, 2018 - APS
We present the electronic band structures of states with the same symmetry as the three-
sublattice planar antiferromagnetic order of the triangular lattice. Such states can also be …

Giant thermal Hall conductivity in the pseudogap phase of cuprate superconductors

G Grissonnanche, A Legros, S Badoux, E Lefrançois… - Nature, 2019 - nature.com
The nature of the pseudogap phase of the copper oxides ('cuprates') remains a puzzle.
Although there are indications that this phase breaks various symmetries, there is no …

Oxygen hole content, charge-transfer gap, covalency, and cuprate superconductivity

N Kowalski, SS Dash, P Sémon… - Proceedings of the …, 2021 - National Acad Sciences
Experiments have shown that the families of cuprate superconductors that have the largest
transition temperature at optimal doping also have the largest oxygen hole content at that …

Tangent space approach for thermal tensor network simulations of the 2D Hubbard model

Q Li, Y Gao, YY He, Y Qi, BB Chen, W Li - Physical Review Letters, 2023 - APS
Accurate simulations of the two-dimensional (2D) Hubbard model constitute one of the most
challenging problems in condensed matter and quantum physics. Here we develop a …