Direct phase-sensitive identification of a d-form factor density wave in underdoped cuprates

K Fujita, MH Hamidian, SD Edkins… - Proceedings of the …, 2014 - National Acad Sciences
The identity of the fundamental broken symmetry (if any) in the underdoped cuprates is
unresolved. However, evidence has been accumulating that this state may be an …

Bond order in two-dimensional metals with antiferromagnetic exchange interactions

S Sachdev, R La Placa - Physical review letters, 2013 - APS
We present an unrestricted Hartree-Fock computation of charge-ordering instabilities of two-
dimensional metals with antiferromagnetic exchange interactions, allowing for arbitrary …

Re-entrant charge order in overdoped (Bi,Pb)2.12Sr1.88CuO6+δ outside the pseudogap regime

YY Peng, R Fumagalli, Y Ding, M Minola, S Caprara… - Nature materials, 2018 - nature.com
In the underdoped regime, the cuprate high-temperature superconductors exhibit a host of
unusual collective phenomena, including unconventional spin and charge density …

Two-dimensional Hubbard model at finite temperature: Weak, strong, and long correlation regimes

FŠ Iv, R Rossi, M Ferrero - Physical Review Research, 2022 - APS
We investigate the momentum-resolved spin and charge susceptibilities, as well as the
chemical potential and double occupancy in the two-dimensional Hubbard model as …

Density wave instabilities in a correlated two-dimensional metal

A Allais, J Bauer, S Sachdev - Physical Review B, 2014 - APS
Motivated by recent experimental evidence of charge order in the pseudogap phase of
cuprates, we perform a variational analysis of spin-singlet density wave ordering in metals …

Spiral to stripe transition in the two-dimensional Hubbard model

R Scholle, W Metzner, D Vilardi, PM Bonetti - Physical Review B, 2024 - APS
We obtain an almost complete understanding of the mean-field phase diagram of the two-
dimensional Hubbard model on a square lattice with a sizable next-nearest-neighbor …

Density-wave instabilities of fractionalized Fermi liquids

D Chowdhury, S Sachdev - Physical Review B, 2014 - APS
Recent experiments in the underdoped regime of the hole-doped cuprates have found
evidence for an incommensurate charge density-wave state. We present an analysis of the …

Charge order in the pseudogap phase of cuprate superconductors

WA Atkinson, AP Kampf, S Bulut - New Journal of Physics, 2015 - iopscience.iop.org
Charge ordering instabilities are studied in a multiorbital model of cuprate superconductors.
A known, key feature of this model is that the large local Coulomb interaction in the Cu ${{d} …

Spin-fluctuation-driven nematic charge-density wave in cuprate superconductors: Impact of Aslamazov-Larkin vertex corrections

Y Yamakawa, H Kontani - Physical review letters, 2015 - APS
We present a microscopic derivation of the nematic charge-density wave (CDW) formation in
cuprate superconductors based on the three-orbital dp Hubbard model by introducing the …

Connecting high-field quantum oscillations to zero-field electron spectral functions in the underdoped cuprates

A Allais, D Chowdhury, S Sachdev - Nature communications, 2014 - nature.com
The nature of the pseudogap regime of cuprate superconductors at low hole density remains
unresolved. It has a number of seemingly distinct experimental signatures: a suppression of …