Correlation effects for semiconducting single-wall carbon nanotubes: A density matrix renormalization group study

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	Correlation effects for semiconducting single-wall carbon nanotubes: A density matrix renormalization group study
	Ye, F; Wang, BS; Lou, JZ; Su, ZB; Ye, F , Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.
刊名	PHYSICAL REVIEW B
	2005
卷号	72 期号:23 页码:-
关键词	Coulomb Interactions Gap
ISSN号	1098-0121
英文摘要	In this paper we report the applicability of the density matrix renormalization group (DMRG) approach to the cylindrical single wall carbon nanotube (SWCN) for the purpose of its correlation effect. By applying the DMRG approach to the t+U+V model, with t and V being the hopping and Coulomb energies between the nearest neighboring sites, respectively, and U the on-site Coulomb energy, we calculate the phase diagram for the SWCN with chiral numbers (n(1)=3, n(2)=2), which reflects the competition between the correlation energy U and V. Within reasonable parameter ranges, we investigate possible correlated ground states, the lowest excitations, and the corresponding correlation functions in which the connection with the excitonic insulator is particularly addressed.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000234336000029
公开日期	2012-08-29
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/13712]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Ye, F , Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.
推荐引用方式 GB/T 7714	Ye, F,Wang, BS,Lou, JZ,et al. Correlation effects for semiconducting single-wall carbon nanotubes: A density matrix renormalization group study[J]. PHYSICAL REVIEW B,2005,72(23):-.
APA	Ye, F,Wang, BS,Lou, JZ,Su, ZB,&Ye, F , Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China..(2005).Correlation effects for semiconducting single-wall carbon nanotubes: A density matrix renormalization group study.PHYSICAL REVIEW B,72(23),-.
MLA	Ye, F,et al."Correlation effects for semiconducting single-wall carbon nanotubes: A density matrix renormalization group study".PHYSICAL REVIEW B 72.23(2005):-.