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Title: Vertical temperature boundary of the pseudogap under the superconducting dome in the phase diagram of Bi 2 Sr 2 CaCu 2 O 8 + δ

Journal Article · · Physical Review B
 [1];  [2];  [3];  [3];  [3];  [3];  [4];  [4];  [4];  [5];  [5];  [3];  [6];  [3]
  1. Univ. of Paris Diderot (France). Lab. Materials and Quantum Phenomena; Alternative Energies and Atomic Energy Commission (CEA), Gif sur Yvette (France). Condensed State Physics Service
  2. RIKEN, Saitama (Japan). Center for Emergent Matter Science
  3. Univ. of Paris Diderot (France). Lab. Materials and Quantum Phenomena
  4. Brookhaven National Lab. (BNL), Upton, NY (United States). Matter Physics and Materials Science
  5. Alternative Energies and Atomic Energy Commission (CEA), Gif sur Yvette (France). Condensed State Physics Service
  6. Univ. of Paris-Sud, Orsay (France). Lab. of Solid Physics

We combine electronic Raman scattering experiments with cellular dynamical mean field theory and present evidence of the pseudogap in the superconducting state of various hole-doped cuprates. In Bi 2 Sr 2 CaCu 2 O 8 + δ we also track the superconducting pseudogap hallmark, a peak-dip feature, as a function of temperature T and doping p , well beyond the optimal one. We show that, at all temperatures under the superconducting dome, the pseudogap disappears at the doping p c , between 0.222 and 0.226, where also the normal-state pseudogap collapses at a Lifshitz transition. This demonstrates that the superconducting pseudogap boundary forms a vertical line in the T - p phase diagram.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0012704
OSTI ID:
1412652
Report Number(s):
BNL-114368-2017-JA; PRBMDO; R&D Project: PO010; KC0201060; TRN: US1800318
Journal Information:
Physical Review B, Vol. 96, Issue 9; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

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Cited By (8)

Pseudogap phase of cuprate superconductors confined by Fermi surface topology journal December 2017
Pseudogap transition within the superconducting phase in the three-band Hubbard model journal December 2019
Mean-field thermodynamic quantum time-space crystal: Spontaneous breaking of time-translation symmetry in a macroscopic fermion system journal December 2019
Direct connection between Mott insulators and d -wave high-temperature superconductors revealed by continuous evolution of self-energy poles journal November 2018
Pseudogap, van Hove singularity, maximum in entropy, and specific heat for hole-doped Mott insulators journal September 2019
Pseudogap phase of cuprate superconductors confined by Fermi surface topology text January 2017
Direct Connection between Mott Insulator and d-Wave High-Temperature Superconductor Revealed by Continuous Evolution of Self-Energy Poles text January 2018
Pseudogap, van Hove Singularity, Maximum in Entropy and Specific Heat for Hole-Doped Mott Insulators text January 2019