Prominent quasiparticle peak in the photoemission spectrum of the metallic phase of V2O3.

@article{Mo2003ProminentQP,
  title={Prominent quasiparticle peak in the photoemission spectrum of the metallic phase of V2O3.},
  author={S-K. Mo and Jonathan D Denlinger and H Kim and J. Park and J. W. Allen and Akira Sekiyama and Atsushi Yamasaki and Kohei Kadono and Sei-ichiro Suga and Yuji Saitoh and Takayuki Muro and P. Metcalf and Georg Keller and Karsten Held and Volker Eyert and Vladimir I. Anisimov and Dieter Vollhardt},
  journal={Physical review letters},
  year={2003},
  volume={90 18},
  pages={186403}
}
We present the first observation of a prominent quasiparticle peak in the photoemission spectrum of the metallic phase of V2O3 and report new spectral calculations that combine the local-density approximation with the dynamical mean-field theory (using quantum Monte Carlo simulations) to show the development of such a distinct peak with decreasing temperature. The experimental peak width and weight are significantly larger than in the theory. 

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