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Charge transport in underdoped bilayer cuprates | | Feng Yuan
; Jihong Qin
; Shiping Feng
; Wei Yeu Chen
; | | Date: |
13 May 2003 | | Journal: | Phys. Rev. B67, 134504 (2003) | | Subject: | Strongly Correlated Electrons; Superconductivity | cond-mat.str-el cond-mat.supr-con | | Abstract: | Within the t-J model, we study the charge transport in underdoped bilayer cuprates by considering the bilayer interaction. Although the bilayer interaction leads to the band splitting in the electronic structure, the qualitative behavior of the charge transport is the same as in the case of single layer cuprates. The conductivity spectrum shows a low-energy peak and the unusual midinfrared band. This midinfrared band is suppressed severely with increasing temperatures, while the resistivity in the heavily underdoped regime is characterized by a crossover from the high temperature metallic-like to the low temperature insulating-like behaviors, which are consistent with the experiments. | | Source: | arXiv, cond-mat/0305271 | | Services: | Forum | Review | PDF | Favorites | |
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