Checkerboard charge density wave and pseudogap in high-$T_c$ cuprates

Abstract

We consider the scenario where a 4-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.

We add a new section II on the symmetry property of the checkerboard CDW

References in corpus (2)

• A `checkerboard' electronic crystal state in lightly hole-doped Ca_{2-x}Na_{x}CuO_{2}Cl_{2}
• Two Energy Scales and two Quasiparticle Dynamics in the Superconducting State of Underdoped Cuprates

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