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Title: “Nodal Gap” induced by the incommensurate diagonal spin density modulation in underdoped high- T c superconductors

Journal Article · · Advances in Condensed Matter Physics
DOI:https://doi.org/10.1155/2015/652424· OSTI ID:1208908
 [1];  [2];  [3]
  1. Nanjing University of Aeronautics and Astronautics, Nanjing (China)
  2. Nanjing Normal University, Nanjing (China)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Recently it was revealed that the whole Fermi surface is fully gapped for several families of underdoped cuprates. The existence of the finite energy gap along the d -wave nodal lines (nodal gap) contrasts the common understanding of the d -wave pairing symmetry, which challenges the present theories for the high- T c superconductors. Here we propose that the incommensurate diagonal spin-density-wave order can account for the above experimental observation. The Fermi surface and the local density of states are also studied. Our results are in good agreement with many important experiments in high- T c superconductors.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1208908
Journal Information:
Advances in Condensed Matter Physics, Vol. 2015; ISSN 1687-8108
Publisher:
HindawiCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

References (18)

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Underdoped superconducting cuprates as topological superconductors journal July 2014
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Charge-density-wave origin of cuprate checkerboard visualized by scanning tunnelling microscopy journal July 2008
Charge Order Driven by Fermi-Arc Instability in Bi2Sr2-xLaxCuO6+  journal December 2013

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