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Title: Pairing, pseudogap and Fermi arcs in cuprates

Journal Article · · Philosophical Magazine (2003, Print)
 [1];  [2];  [3];  [4]
  1. Iowa State Univ., Ames, IA (United States)
  2. The Univ. of Tokyo, Chiba (Japan)
  3. Nagoya Univ., Nagoya (Japan)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States)

We use Angle Resolved Photoemission Spectroscopy (ARPES) to study the relationship between the pseudogap, pairing and Fermi arcs in cuprates. High quality data measured over a wide range of dopings reveals a consistent picture of Fermiology and pairing in these materials. The pseudogap is due to an ordered state that competes with superconductivity rather than preformed pairs. Pairing does occur below Tpair ~ 150K and significantly above Tc, but well below T* and the doping dependence of this temperature scale is distinct from that of the pseudogap. The d-wave gap is present below Tpair, and its interplay with strong scattering creates “artificial” Fermi arcs for Tc ≤ T ≤ Tpair. However, above Tpair, the pseudogap exists only at the antipodal region. This leads to presence of real, gapless Fermi arcs close to the node. The length of these arcs remains constant up to T*, where the full Fermi surface is recovered. As a result, we demonstrate that these findings resolve a number of seemingly contradictory scenarios.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1193209
Report Number(s):
BNL-107995-2015-JA; R&D Project: PO010; KC0201060
Journal Information:
Philosophical Magazine (2003, Print), Vol. 95, Issue 5-6; ISSN 1478-6435
Publisher:
Taylor & FrancisCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 32 works
Citation information provided by
Web of Science

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Cited By (9)

BCS-like critical fluctuations with limited overlap of Cooper pairs in FeSe journal August 2017
Properties of the electronic fluid of superconducting cuprates from $^{63}$Cu NMR shift and relaxation preprint January 2018
BCS-like critical fluctuations with limited overlap of Cooper pairs in FeSe text January 2017
Origin of the Fermi arcs in cuprates: a dual role of quasiparticle and pair excitations journal November 2018
Low-energy antiferromagnetic spin fluctuations limit the coherent superconducting gap in cuprates text January 2018
Dynamical charge density waves rule the phase diagram of cuprates journal June 2017
Anomalies in the pseudogap phase of the cuprates: competing ground states and the role of umklapp scattering journal October 2019
Properties of the Electronic Fluid of Superconducting Cuprates from 63Cu NMR Shift and Relaxation journal June 2019
Low-energy antiferromagnetic spin fluctuations limit the coherent superconducting gap in cuprates journal December 2018

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