Tracking the pseudogap below Tc by modeling the Raman response

We calculate the B1g and B2g Raman responses of Bi-2212 from an ARPES-derived energy dispersion and a model for the normal-state pseudogap. The doping dependence is found to closely mimic the experimental data from a recent Raman study reporting the observation of two distinct energy scales. In ligh...

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Bibliographic Details
Published in:Current applied physics 2008, 8(3, 4), , pp.280-282
Main Authors: Storey, James G., Tallon, Jeffery L., Williams, Grant V.M.
Format: Article
Language:English
Subjects:
Fermi arcs
Pseudogap
Raman spectroscopy
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Summary:We calculate the B1g and B2g Raman responses of Bi-2212 from an ARPES-derived energy dispersion and a model for the normal-state pseudogap. The doping dependence is found to closely mimic the experimental data from a recent Raman study reporting the observation of two distinct energy scales. In light of these calculations, the Raman data demonstrates that the pseudogap does not evolve greatly below Tc.
ISSN:1567-1739
1878-1675
DOI:10.1016/j.cap.2007.10.015