c-Axis transport in a normal-state bilayer cuprate and relation to pseudogap

W. C. Wu*, W. A. Atkinson, J. P. Carbotte


研究成果: 雜誌貢獻期刊論文同行評審

6 引文 斯高帕斯(Scopus)


We study the effect of interband transitions on the normal-state optical conductivity, dc resistivity, and thermal conductivity along the c-axis, for a plane-chain bilayer cuprate coupled by a perpendicular hopping matrix element (t). When t is small, the c-axis dc resistivity shows a characteristic upturn as the temperature is lowered, and the c-axis optical conductivity develops a pseudogap at low frequencies. As t is increased, intraband transitions start to dominate and a more conventional response is obtained. Similar pseudogap behavior is predicted in the thermal conductivity for which strong depression at low temperature is found. Analytical results for a simple plane-plane bilayer are also given, including the frequency sum rule of the optical conductivity.

頁(從 - 到)305-315
期刊Journal of Superconductivity
出版狀態已發佈 - 1998

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學
  • 物理與天文學(雜項)


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