Nonperturbative calculations for spectroscopic properties of cuprate high-temperature superconductors

S Sakai - Journal of the Physical Society of Japan, 2023 - journals.jps.jp
We review nonperturbative numerical calculations on dynamical properties of the two-
dimensional Hubbard model and their relevance to various spectroscopic experiments on …

Intimate link between charge density wave, pseudogap and superconducting energy scales in cuprates

B Loret, N Auvray, Y Gallais, M Cazayous, A Forget… - Nature Physics, 2019 - nature.com
The cuprate high-temperature superconductors develop spontaneous charge density wave
(CDW) order below a temperature T CDW and over a wide range of hole doping (p). An …

Vertical temperature boundary of the pseudogap under the superconducting dome in the phase diagram of

B Loret, S Sakai, S Benhabib, Y Gallais, M Cazayous… - Physical Review B, 2017 - APS
Combining electronic Raman scattering experiments with cellular dynamical mean field
theory, we present evidence of the pseudogap in the superconducting state of various hole …

Hidden-fermion representation of self-energy in pseudogap and superconducting states of the two-dimensional Hubbard model

S Sakai, M Civelli, M Imada - Physical Review B, 2016 - APS
We study the frequency-dependent structure of electronic self-energy in the pseudogap and
superconducting states of the two-dimensional Hubbard model. We present the self-energy …

Universal relationship between the energy scales of the pseudogap phase, the superconducting state, and the charge-density-wave order in copper oxide …

B Loret, N Auvray, GD Gu, A Forget, D Colson… - Physical Review B, 2020 - APS
We report the hole doping dependencies of the pseudogap phase energy scale 2 Δ PG, the
antinodal (nodal) superconducting energy scales 2 Δ SC AN (2 Δ SC N), and the charge …

Pairing versus phase coherence of doped holes in distinct quantum spin backgrounds

Z Zhu, DN Sheng, ZY Weng - Physical Review B, 2018 - APS
We examine the pairing structure of holes injected into two distinct spin backgrounds: a short-
range antiferromagnetic phase versus a symmetry protected topological phase. Based on …

Direct connection between Mott insulators and -wave high-temperature superconductors revealed by continuous evolution of self-energy poles

S Sakai, M Civelli, M Imada - Physical Review B, 2018 - APS
The high-temperature superconductivity in copper oxides emerges when carriers are doped
into the parent Mott insulator. This well-established fact has, however, eluded a microscopic …

Raman and ARPES combined study on the connection between the existence of the pseudogap and the topology of the Fermi surface in

B Loret, Y Gallais, M Cazayous, RD Zhong… - Physical Review B, 2018 - APS
We study the behavior of the pseudogap in overdoped Bi 2 Sr 2 CaCu 2 O 8+ δ by electronic
Raman scattering (ERS) and angle-resolved photoemission spectroscopy (ARPES) on the …

Interplay of superconductivity and bosonic coupling in the peak-dip-hump structure of

TL Miller, W Zhang, J Ma, H Eisaki, JE Moore… - Physical Review B, 2018 - APS
Because of the important role of electron-boson interactions in conventional
superconductivity, it has long been asked whether any similar mechanism is at play in high …

Growth and characterization of and crystals

L Wang, X Luo, J Li, J Zeng, M Cheng, J Freyermuth… - Physical Review …, 2018 - APS
We report the successful growth of sizable crystals of the cuprate superconductors HgBa 2
CaCu 2 O 6+ δ and HgBa 2 Ca 2 Cu 3 O 8+ δ. These compounds are well known for their …