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Ye, F; Wang, BS; Lou, JZ; Su, ZB; Ye, F , Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.
Correlation effects for semiconducting single-wall carbon nanotubes: A density matrix renormalization group study
Source PublicationPHYSICAL REVIEW B
KeywordCoulomb Interactions Gap
AbstractIn 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.
2005
ISSN1098-0121
Volume72Issue:23Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13712
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYe, F , Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.
Recommended Citation
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):-.
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