Low frequency spectroscopy of the correlated metallic system $Ca_xSr_{1-x}VO_3$

Details Low frequency spectroscopy of the correlated metallic system $Ca_xSr_{1-x}VO_3$ Low frequency spectroscopy of the correlated metallic system $Ca_xSr_{1-x}VO_3$

1996-03-07

arxiv.org/abs/cond-mat/9603051v1

Physics

Condensed Matter

4 pages + 2 figures, revtex

Scientific paper

10.1103/PhysRevLett.76.4781

We study the photoemission and optical conductivity response of the strongly correlated metallic system $Ca_xSr_{1-x}VO_3$. 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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