Feedback of superconducting fluctuations on charge order in the underdoped cuprates

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Feedback of superconducting fluctuations on charge order in the underdoped cuprates

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Title: Feedback of superconducting fluctuations on charge order in the underdoped cuprates
Author: Chowdhury, Debanjan; Sachdev, Subir

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Citation: Chowdhury, Debanjan, and Subir Sachdev. 2014. “Feedback of Superconducting Fluctuations on Charge Order in the Underdoped Cuprates.” Phys. Rev. B 90 (13) (October). doi:10.1103/physrevb.90.134516.
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Abstract: Metals interacting via short-range antiferromagnetic fluctuations are unstable to sign-changing superconductivity at low temperatures. For the cuprates, this leading instability leads to the well-known d-wave superconducting state. However, there is also a secondary instability to an incommensurate charge-density wave, with a predominantly d-wave form factor, arising from the same antiferromagnetic fluctuations. Recent experiments in the pseudogap regime of the hole-doped cuprates have found strong evidence for such a charge-density wave order and, in particular, the predicted d-wave form factor. However, the observed wave vector of the charge order differs from the leading instability in Hartree-Fock theory, and is that of a subleading instability. In this paper, we examine the feedback of superconducting fluctuations on these different charge-density wave states, and find that over at least a small temperature window, they prefer the experimentally observed wave vector.
Published Version: doi:10.1103/PhysRevB.90.134516
Other Sources: http://arxiv.org/pdf/1404.6532v2.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:16380265
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