Letter | Published:

Atomic-scale electronic structure of the cuprate d-symmetry form factor density wave state

Nature Physics volume 12, pages 150156 (2016) | Download Citation

Abstract

Research on high-temperature superconducting cuprates is at present focused on identifying the relationship between the classic ‘pseudogap’ phenomenon1,2 and the more recently investigated density wave state3,4,5,6,7,8,9,10,11,12,13. This state is generally characterized by a wavevector Q parallel to the planar Cu–O–Cu bonds4,5,6,7,8,9,10,11,12,13 along with a predominantly d-symmetry form factor14,15,16 (dFF-DW). To identify the microscopic mechanism giving rise to this state17,18,19,20,21,22,23,24,25,26,27,28,29, one must identify the momentum-space states contributing to the dFF-DW spectral weight, determine their particle–hole phase relationship about the Fermi energy, establish whether they exhibit a characteristic energy gap, and understand the evolution of all these phenomena throughout the phase diagram. Here we use energy-resolved sublattice visualization14 of electronic structure and reveal that the characteristic energy of the dFF-DW modulations is actually the ‘pseudogap’ energy Δ1. Moreover, we demonstrate that the dFF-DW modulations at E  =   −Δ1 (filled states) occur with relative phase π compared to those at E  =  Δ1 (empty states). Finally, we show that the conventionally defined dFF-DW Q corresponds to scattering between the ‘hot frontier’ regions of momentum-space beyond which Bogoliubov quasiparticles cease to exist30,31,32. These data indicate that the cuprate dFF-DW state involves particle–hole interactions focused at the pseudogap energy scale and between the four pairs of ‘hot frontier’ regions in momentum space where the pseudogap opens.

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Acknowledgements

We acknowledge and thank H. Alloul, D. Chowdhury, R. Comin, A. Damascelli, E. Fradkin, D. Hawthorn, S. Hayden, J. E. Hoffman, M.-H. Julien, D. H. Lee, M. Norman and C. Pepin for helpful discussions and communications. We are especially grateful to S. A. Kivelson for key scientific discussions and advice. Experimental studies were supported by the Center for Emergent Superconductivity, an Energy Frontier Research Center, headquartered at Brookhaven National Laboratory and funded by the US Department of Energy under DE-2009-BNL-PM015, as well as by a Grant-in-Aid for Scientific Research from the Ministry of Science and Education (Japan) and the Global Centers of Excellence Program for Japan Society for the Promotion of Science. C.K.K. acknowledges support under the FlucTeam Program at Brookhaven National Laboratory (Contract DE-AC02-98CH10886). S.D.E., J.C.D. and A.P.M. acknowledge the support of EPSRC through the Programme Grant ‘Topological Protection and Non-Equilibrium States in Correlated Electron Systems’. Theoretical studies at Cornell University were supported by the US Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering under Award DE-SC0010313. Theoretical studies at Harvard University were supported by NSF Grant DMR-1103860 and by the Templeton Foundation. Research at Perimeter Institute is supported by the Government of Canada through Industry Canada and by the Province of Ontario through the Ministry of Research and Innovation. The data and/or materials supporting this publication can be accessed at http://dx.doi.org/10.17630/f17227bc-3045-40d6-b289-30a4c1a8966c.

Author information

Author notes

    • M. H. Hamidian
    •  & S. D. Edkins

    These authors contributed equally to this work.

Affiliations

  1. LASSP, Department of Physics, Cornell University, Ithaca, New York 14853, USA

    • M. H. Hamidian
    • , S. D. Edkins
    • , J. C. Davis
    • , M. J. Lawler
    •  & E.-A. Kim
  2. Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA

    • M. H. Hamidian
    •  & S. Sachdev
  3. School of Physics and Astronomy, University of St. Andrews, Fife KY16 9SS, Scotland

    • S. D. Edkins
    • , J. C. Davis
    •  & A. P. Mackenzie
  4. CMPMS Department, Brookhaven National Laboratory, Upton, New York 11973, USA

    • Chung Koo Kim
    • , J. C. Davis
    •  & K. Fujita
  5. Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14853, USA

    • J. C. Davis
  6. Max-Planck Institute for Chemical Physics of Solids, D-01187 Dresden, Germany

    • A. P. Mackenzie
  7. Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan

    • H. Eisaki
  8. Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan

    • S. Uchida
  9. Department of Physics and Astronomy, Binghamton University, Binghamton, New York 13902, USA

    • M. J. Lawler
  10. Perimeter Institute for Theoretical Physics, Waterloo, Ontario N2L 2Y5, Canada

    • S. Sachdev

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Contributions

M.H.H., S.D.E., C.K.K. and K.F. carried out the experiments; K.F., H.E. and S.U. synthesized and characterized the samples; M.H.H., S.D.E. and K.F. developed and carried out analysis; E.-A.K., M.J.L. and S.S. provided theoretical guidance; A.P.M. and J.C.D. supervised the project and wrote the paper with key contributions from M.H.H., S.D.E., C.K.K. and K.F. The manuscript reflects the contributions and ideas of all authors.

Competing interests

The authors declare no competing financial interests.

Corresponding author

Correspondence to J. C. Davis.

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DOI

https://doi.org/10.1038/nphys3519

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