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29 March 2024
 
  » arxiv » cond-mat/0606392

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D-symmetry Charge Density Waves and Pseudogap in High-$T_{c}$ Cuprates
Jian-Xin Li ; Chang-Qin Wu ; Dung-Hai Lee ;
Date 15 Jun 2006
Subject Superconductivity; Strongly Correlated Electrons
AbstractWe consider scenarios where a d- or s-symmetry, 4-lattice constant, charge density wave (CDW) is present in the underdoped cuprates. We demonstrate, within mean-field theory, that the d-symmetry CDW best describes the single-electron spectroscopy of high-$T_c$ materials. Moreover, we present a variation of the d-symmetry CDW which has the remarkable property that it exhibits the characteristics of stripe in real space and stays rotational invariant in momentum space. We conjecture that the ``large pseudogap’’ in cuprates is the consequence of these density waves.
Source arXiv, cond-mat/0606392
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