Quasiparticle Nernst Effect in Stripe-Ordered Cuprates

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Quasiparticle Nernst Effect in Stripe-Ordered Cuprates

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Title: Quasiparticle Nernst Effect in Stripe-Ordered Cuprates
Author: Hackl, Andreas; Vojta, Matthias; Sachdev, Subir

Note: Order does not necessarily reflect citation order of authors.

Citation: Hackl, Andreas, Matthias Vojta, and Subir Sachdev. 2010. Quasiparticle Nernst effect in stripe-ordered cuprates. Physical Review B 81(4): 045102.
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Abstract: Experiments on underdoped cuprate superconductors suggest an intricate relation between the normal-state Nernst effect and stripe order: The Nernst signal appears enhanced near \(\frac{1}{8}\) hole doping and its onset temperature scales with the stripe-ordering temperature over some range of doping. Here, we employ a phenomenological quasiparticle model to calculate the normal state Nernst signal in the presence of stripe order. We find that Fermi pockets caused by translational symmetry breaking lead to a strongly enhanced Nernst signal with a sign depending on the modulation period of the ordered state and other details of the Fermi surface. This implies differences between antiferromagnetic and charge-only stripes We compare our findings with recent data from \(La_{1.6-x}Nd_{0.4}Sr_xCuO_4\) and \(YBa_2Cu_3O_y\).
Published Version: doi:10.1103/PhysRevB.81.045102
Other Sources: http://arxiv.org/abs/0908.1088v2
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:7697115

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  • FAS Scholarly Articles [7078]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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