Competing Ground States of a Peierls-Hubbard Nanotube
| Autor: | Ohara, Jun, Yamamoto, Shoji |
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| Rok vydání: | 2009 |
| Předmět: | |
| Zdroj: | Europhys. Lett. 87, 17006 (2009) |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1209/0295-5075/87/17006 |
| Popis: | Motivated by iodo platinum complexes assembled within a quadratic-prism lattice, [Pt(C$_2$H$_8$N$_2$)(C$_{10}$H$_8$N$_2$)I]$_4$(NO$_3$)$_8$, we investigate the ground-state properties of a Peierls-Hubbard four-legged tube. Making a group-theoretical analysis, we systematically reveal a variety of valence arrangements, including half-metallic charge-density-wave states. Quantum and thermal phase competition is numerically demonstrated with particular emphasis on doping-induced successive insulator-to-metal transitions with conductivity increasing stepwise. Comment: 6 pages, 4 figures. to be published in Europhys. Lett. 87 (2009) 17006 |
| Databáze: | arXiv |
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