Low frequency spectroscopy of the correlated metallic system CaxSr1-xVO3
M. J. Rozenberg, I. H. Inoue, H. Makino, F. Iga, Y. Nishihara
Abstract
We study the photoemission and optical conductivity response of the strongly correlated metallic system CaxSr1-xVO3. We find that the basic features of the transfer of spectral weight in photoemission experiments and the unusual lineshape of the optical response can be understood by modeling the system with a one band Hubbard model close to the Mott-Hubbard transition. We present a detailed comparison between the low frequency experimental data and the corresponding theoretical predictions obtained within the LISA method that is exact in the limit of large lattice connectivity.
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