Electronic structure of ladder cuprates

T. Müller, V. Anisimov, T. Rice, I. Dasgupta, T. Saha-Dasgupta

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)


We study the electronic structure of the ladder compounds (Formula presented) and (Formula presented) Our local-density approximation calculations for (Formula presented) give similar Cu (Formula presented) bands near the Fermi energy as reported for (Formula presented) The hopping parameters estimated by fitting these bands show a strong anisotropy between the (Formula presented) and (Formula presented) intraladder hopping and small interladder hopping. A downfolding method shows that this anisotropy arises from the ladder structure. The conductivity perpendicular to the ladders is computed assuming incoherent tunneling giving a value close to experiment.

Original languageEnglish
Pages (from-to)R12655-R12658
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number20
Publication statusPublished - 1998
Externally publishedYes


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