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

Abstract

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.

Authors:
 [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)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1208908
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Advances in Condensed Matter Physics
Additional Journal Information:
Journal Volume: 2015; Journal ID: ISSN 1687-8108
Publisher:
Hindawi
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Zhou, Tao, Gao, Yi, and Zhu, Jian -Xin. “Nodal Gap” induced by the incommensurate diagonal spin density modulation in underdoped high- Tc superconductors. United States: N. p., 2015. Web. doi:10.1155/2015/652424.
Zhou, Tao, Gao, Yi, & Zhu, Jian -Xin. “Nodal Gap” induced by the incommensurate diagonal spin density modulation in underdoped high- Tc superconductors. United States. doi:10.1155/2015/652424.
Zhou, Tao, Gao, Yi, and Zhu, Jian -Xin. Sat . "“Nodal Gap” induced by the incommensurate diagonal spin density modulation in underdoped high- Tc superconductors". United States. doi:10.1155/2015/652424. https://www.osti.gov/servlets/purl/1208908.
@article{osti_1208908,
title = {“Nodal Gap” induced by the incommensurate diagonal spin density modulation in underdoped high- Tc superconductors},
author = {Zhou, Tao and Gao, Yi and Zhu, Jian -Xin},
abstractNote = {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-Tcsuperconductors. 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-Tcsuperconductors.},
doi = {10.1155/2015/652424},
journal = {Advances in Condensed Matter Physics},
number = ,
volume = 2015,
place = {United States},
year = {2015},
month = {3}
}

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    Works referencing / citing this record:

    Neutron scattering study of spin ordering and stripe pinning in superconducting La 1.93 Sr 0.07 CuO 4
    journal, November 2015