Extremely Correlated Fermi-Liquid Description of Normal-State ARPES in Cuprates

doi:https://doi.org/10.1103/PhysRevLett.107.056404

Title: Extremely Correlated Fermi-Liquid Description of Normal-State ARPES in Cuprates

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Abstract

The normal-state single particle spectral function of the high temperature superconducting cuprates, measured by the angle-resolved photoelectron spectroscopy (ARPES), has been considered both anomalous and crucial to understand. Here, we report an unprecedented success of the new extremely correlated Fermi liquid theory by one of us [B.S. Shastry Phys. Rev. Lett. 107 056403 (2011)] to describe both laser and conventional synchrotron ARPES data (nodal cut at optimal doping) on Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} and synchrotron data on La{sub 1.85}Sr{sub 0.15}CuO{sub 4}. It fits all data sets with the same physical parameter values, satisfies the particle sum rule and successfully addresses two widely discussed kink anomalies in the dispersion.

Authors:: Gweon, G H; Gu, G; Shastry, B S

Publication Date:: 2011-07-29

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Org.:: DOE - OFFICE OF SCIENCE

OSTI Identifier:: 1033201

Report Number(s):: BNL-96344-2011-JA
Journal ID: ISSN 0031-9007; PRLTAO; R&D Project: PO-010; KC0202010; TRN: US1200301

DOE Contract Number:: DE-AC02-98CH10886

Resource Type:: Journal Article

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 107; Journal Issue: 5; Journal ID: ISSN 0031-9007

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CUPRATES; FERMI GAS; LASERS; PHOTOELECTRON SPECTROSCOPY; SPECTRAL FUNCTIONS; SUM RULES; SYNCHROTRONS

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                    Gweon, G H, Gu, G, and Shastry, B S. Extremely Correlated Fermi-Liquid Description of Normal-State ARPES in Cuprates.  United States: N. p., 2011. 
        Web.  doi:10.1103/PhysRevLett.107.056404.

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                    Gweon, G H, Gu, G, & Shastry, B S. Extremely Correlated Fermi-Liquid Description of Normal-State ARPES in Cuprates.  United States.  https://doi.org/10.1103/PhysRevLett.107.056404

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                    Gweon, G H, Gu, G, and Shastry, B S. Fri .  
        "Extremely Correlated Fermi-Liquid Description of Normal-State ARPES in Cuprates".  United States.  https://doi.org/10.1103/PhysRevLett.107.056404.

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@article{osti_1033201,

  title        = {Extremely Correlated Fermi-Liquid Description of Normal-State ARPES in Cuprates},

  author       = {Gweon, G H and Gu, G and Shastry, B S},

  abstractNote = {The normal-state single particle spectral function of the high temperature superconducting cuprates, measured by the angle-resolved photoelectron spectroscopy (ARPES), has been considered both anomalous and crucial to understand. Here, we report an unprecedented success of the new extremely correlated Fermi liquid theory by one of us [B.S. Shastry Phys. Rev. Lett. 107 056403 (2011)] to describe both laser and conventional synchrotron ARPES data (nodal cut at optimal doping) on Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} and synchrotron data on La{sub 1.85}Sr{sub 0.15}CuO{sub 4}. It fits all data sets with the same physical parameter values, satisfies the particle sum rule and successfully addresses two widely discussed kink anomalies in the dispersion.},

  doi          = {10.1103/PhysRevLett.107.056404},

  url          = {https://www.osti.gov/biblio/1033201},
  journal      = {Physical Review Letters},

  issn         = {0031-9007},

  number       = 5,

  volume       = 107,

  place        = {United States},

  year         = {2011},

  month        = {7}

}

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