Media type: E-Article Title: Variational cluster approximation study of the one-dimensional Holstein-Hubbard model at half filling Contributor: Payeur, Alexandre; Sénéchal, David imprint: American Physical Society (APS), 2011 Published in: Physical Review B Language: English DOI: 10.1103/physrevb.83.033104 ISSN: 1098-0121; 1550-235X Keywords: Condensed Matter Physics ; Electronic, Optical and Magnetic Materials Origination: Footnote: