2019
DOI: 10.1126/science.aaw8850
|View full text |Cite
|
Sign up to set email alerts
|

Incoherent strange metal sharply bounded by a critical doping in Bi2212

Abstract: In normal metals, macroscopic properties are understood using the concept of quasiparticles. In the cuprate high-temperature superconductors, the metallic state above the highest transition temperature is anomalous and is known as the “strange metal.” We studied this state using angle-resolved photoemission spectroscopy. With increasing doping across a temperature-independent critical value pc ~ 0.19, we observed that near the Brillouin zone boundary, the strange metal, characterized by an incoherent spectral … Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
2
2

Citation Types

18
79
0

Year Published

2020
2020
2024
2024

Publication Types

Select...
7
1

Relationship

1
7

Authors

Journals

citations
Cited by 118 publications
(97 citation statements)
references
References 46 publications
18
79
0
Order By: Relevance
“…Though heavily renormalized with small spectral weight at low doping, this quasiparticle feature gradual emerges from the Mott feature at a rate roughly twice that of the doping. With heavy doping (~20% for hole-doping), the continued presence and electron-hole asymmetry of correlations are consistent with the observations in recent ARPES and RIXS experiments [15][16][17][18][19][20][21] .…”
Section: Resultssupporting
confidence: 88%
See 2 more Smart Citations
“…Though heavily renormalized with small spectral weight at low doping, this quasiparticle feature gradual emerges from the Mott feature at a rate roughly twice that of the doping. With heavy doping (~20% for hole-doping), the continued presence and electron-hole asymmetry of correlations are consistent with the observations in recent ARPES and RIXS experiments [15][16][17][18][19][20][21] .…”
Section: Resultssupporting
confidence: 88%
“…On one hand, the coupling between carriers and spin fluctuations is present even in a regime without long-range magnetic order, consistent with several recent experimental observations [19][20][21]23 . On the other hand, the eventual disappearance of these Mott features may account for the transition to a more metallic phase at~20% doping in Bi 2 Sr 2 Ca-Cu 2 O 8+x 17,18 and YBa 2 Cu 3 O 6+x 48 . A similar analysis for electron doping, now at the Γ-point, indicates substantial particle-hole asymmetry with respect to doping (see Fig.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…More importantly, a comparison with experimental measurements on pseudogap boundary temperature T * versus doping shows that under this picture the maximum strength of such duality interaction, which is governed by the charge flux confinement property of the pseudoplane region, is strongly correlated with T c,max among different cuprate families, suggesting that both pseudogap and superconducting phases are intertwined through such flux confinement property. Furthermore, a percolation simulation based on this picture at various doping levels also gives an interpretation of the temperature-independent critical doping~19% reported recently 45 , and a connection to previous scanning tunneling imaging results on inhomogeneity [46][47][48][49] . Our work thus reconciles previous results of the pseudogap phase from various experimental techniques with different momentum, spatial, and time resolutions, and provides a new route to design and search higher temperature superconductors.…”
Section: Introductionsupporting
confidence: 76%
“…Our interest in studying gauge theories of critical points in metals was motivated by numerous experimental indications [1][2][3][4][5][6][7][8][9][10][11][12][13][14] of optimal doping criticality in the hole-doped cuprate superconductors. We examine here further aspects of a recently proposed [15,16] SU (2) gauge theory for the vicinity of optimal doping in which a parent conformal theory is coupled to a large Fermi surface of gauge-neutral electrons.…”
Section: Introductionmentioning
confidence: 99%