Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2002-11-18
Phys. Rev. B 67, 155102--1-8 (2003)
Physics
Condensed Matter
Strongly Correlated Electrons
9 pages, 7 figures, typeset with ReVTeX
Scientific paper
10.1103/PhysRevB.67.155102
Inelastic light scattering from electrons is a symmetry-selective probe of the charge dynamics within correlated materials. Many measurements have been made on correlated insulators, and recent exact solutions in large dimensions explain a number of anomalous features found in experiments. Here we focus on the correlated metal, as described by the Hubbard model away from half filling. We can determine the B1g Raman response and the inelastic X-ray scattering along the Brillouin zone diagonal exactly in the large dimensional limit. We find a number of interesting features in the light scattering response which should be able to be seen in correlated metals such as the heavy fermions.
Bulla Ralf
Devereaux Thomas P.
Freericks James K.
Pruschke Th.
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