Dimensional crossover driven by magnetic ordering in optical conductivity

J. Jung, H. Lee, Jaejun Yu, T. Noh, E. Choi, Y. Moritomo

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


We investigate optical properties of (Formula presented) which has A-type antiferromagnetic ordering at a low temperature. The temperature dependence of spectral weight transfer shows a clear correlation with the magnetic phase transition. Through the comparison with the results of (Formula presented) which has CE-type antiferromagnetic charge ordering, we showed that optical properties of (Formula presented) near the Néel temperature could be explained by a crossover from three-dimensional to two-dimensional metals. Details of the spectral weight changes are consistent with the polaron picture.

Original languageEnglish
Pages (from-to)14656-14659
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number21
StatePublished - 2000


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