Peierls-Hubbard纳米管的竞争基态
Competing Ground States of a Peierls-Hubbard Nanotube
摘要：
受碘铂配合物[Pt（C $_2$ H $_8$ N $_2$）（C $_{10}$ H $_8$ N $_2$）I] $_4$（NO $_3$）$_8$的激发，我们研究了Peierls-Hubbard四脚管的基态性质.作群论分析，我们系统地揭示了各种价态安排，包括半金属电荷密度波状态。量子和热相竞争的数值模拟，特别强调掺杂诱导的连续绝缘体到金属的过渡与导电性逐步增加。
英文摘要：
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.
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