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Instability in the t 2g -Band Model on the Pyrochlore Lattice

โœ Scribed by Tsunetsugu, Hirokazu


Book ID
124148863
Publisher
Institute of Pure and Applied Physics
Year
2002
Tongue
English
Weight
148 KB
Volume
71
Category
Article
ISSN
0031-9015

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๐Ÿ“œ SIMILAR VOLUMES


Electron correlations in the Hubbard mod
โœ Akihisa Koga; Takuya Yoshioka; Norio Kawakami; Hisatoshi Yokoyama ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 213 KB

We investigate the two-dimensional Hubbard model on the planar pyrochlore lattice at half filling. By means of variational Monte Carlo simulations including nearest neighbor doublon-holon correlations as well as onsite correlations, we discuss how the semi-metallic state is stabilized at zero temper