Issue |
EPL
Volume 91, Number 6, September 2010
|
|
---|---|---|
Article Number | 67001 | |
Number of page(s) | 5 | |
Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
DOI | https://doi.org/10.1209/0295-5075/91/67001 | |
Published online | 21 September 2010 |
Nernst effect and diamagnetic response in a stripe model of superconducting cuprates
1
Theoretical Division, Los Alamos National Laboratory - Los Alamos, NM 87545, USA
2
Department of Physics, University of Crete and FORTH - 71003 Heraklion, Greece, EU
3
Division of Physics and Applied Physics, School of Physical and Mathematical Sciences,
Nanyang Technological University - 6373616 Singapore
Received:
23
August
2010
Accepted:
3
September
2010
We examine the possibility that the experimentally observed enhancement of superconducting (SC) fluctuations above the SC transition temperature in the underdoped cuprates is caused by stripes —an intrinsic electronic inhomogeneity, common to hole-doped cuprates. By evaluating the strengths of the diamagnetic response and the Nernst effect within a striped SC model, we find results that are qualitatively consistent with the experimental observations (Wang Yayu et al., Phys. Rev. B, 73 (2006) 024510). We make a prediction for anisotropic thermopower in detwinned samples that can be used to further test the proposed scenario.
PACS: 74.72.Kf – Pseudogap regime / 74.25.fg – Thermoelectric effects / 74.81.-g – Inhomogeneous superconductors and superconducting systems, including electronic inhomogeneities
© EPLA, 2010
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