Checkerboard charge density wave and pseudogap of high-${T}_{c}$ cuprate

Checkerboard charge density wave and pseudogap of high- $T_{c}$ cuprate

Jian-Xin Li, Chang-Qin Wu, and Dung-Hai Lee

Phys. Rev. B 74, 184515 – Published 10 November 2006

Abstract

We consider the scenario where a four-lattice constant, rotationally symmetric charge density wave (CDW) is present in the underdoped cuprates. We prove a theorem that puts strong constraint on the possible form factor of such a CDW. We demonstrate, within mean-field theory, that a particular form factor within the allowed class describes the angle-resolved photoemission and scan tunneling spectroscopy well. We conjecture that the “large pseudogap” in cuprates is the consequence of this type of charge density wave.

Received 23 August 2006

DOI:https://doi.org/10.1103/PhysRevB.74.184515

Authors & Affiliations

Jian-Xin Li^1,2, Chang-Qin Wu^1,3, and Dung-Hai Lee^1,4

¹Department of Physics, University of California at Berkeley, Berkeley, California 94720, USA
²National Laboratory of Solid State Microstructure, Nanjing University, Nanjing 210093, China
³Department of Physics, Fudan University, Shanghai 200433, China
⁴Material Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

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Issue

Vol. 74, Iss. 18 — 1 November 2006

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Physical Review B

covering condensed matter and materials physics