Hackl, Andreas and Vojta, Matthias (2010) Stripe order and quasiparticle Nernst effect in cuprate superconductors. New Journal of Physics, 12 . Art. No. 105011. ISSN 1367-2630 http://resolver.caltech.edu/CaltechAUTHORS:20101220-112559708
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Abstract
After a brief review of current ideas on stripe order in cuprate high-temperature superconductors, we discuss the quasiparticle Nernst effect in cuprates, with focus on its evolution in non-superconducting stripe and related nematic states. In general, we find the Nernst signal to be strongly enhanced by nearby van-Hove singularities and Lifshitz transitions in the band structure, implying that phases with translation symmetry breaking often lead to a large quasiparticle Nernst effect due to the presence of multiple small Fermi pockets. Open orbits may contribute to the Nernst signal as well, but in a strongly anisotropic fashion. We discuss our results in the light of recent proposals for a specific Lifshitz transition in underdoped YBa_2Cu_3O_y and make predictions for the doping dependence of the Nernst signal.
| Item Type: | Article | ||||||||
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| Additional Information: | © 2010 IOP Publishing Ltd and Deutsche Physikalische Gesell. Received 31 July 2010. Published 29 October 2010. We acknowledge useful discussions as well as collaborations on related subjects with L Fritz, A Rosch, S Sachdev, L Taillefer and A Wollny. This research was supported by the DFG through SFB 608 (Köln) and the Research Units FOR 538 and FOR 960. | ||||||||
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| Subject Keywords: | Superconductivity | ||||||||
| Classification Code: | PACS: 74.25.Fy; 74.25.Jb; 74.72.Bk | ||||||||
| Record Number: | CaltechAUTHORS:20101220-112559708 | ||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20101220-112559708 | ||||||||
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| Official Citation: | Andreas Hackl and Matthias Vojta 2010 New J. Phys. 12 105011 doi: 10.1088/1367-2630/12/10/105011 | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 21438 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Tony Diaz | ||||||||
| Deposited On: | 05 Jan 2011 19:24 | ||||||||
| Last Modified: | 26 Dec 2012 12:46 |
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