Correlation effects of single-wall carbon nanotubes in weak coupling

被引：37

作者：

Lin, HH ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

来源：

PHYSICAL REVIEW B | 1998年 / 58卷 / 08期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.58.4963

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single-wall carbon nanotubes with on-site interaction U much less than t an studied by a controlled renormalization group method. When formulated as a system of Ni flavors of interacting Dirac fermions, the effective model at generic filling resembles a set of quasi-1D Hubbard chains. For the undoped (N-y,N-y) armchair and the (N-x,-N-x) zigzag with N-x = 3n, specific mappings to the two-chain Hubbard model at half filling with effective interaction u(eff)=U/Ny and 2U/N-x are found from this more general equivalence. The phase diagrams of the (3,3) armchair and the (6,-6) zigzag at generic fillings are studied and compared as an example.

引用

页码：4963 / 4971

页数：9

共 21 条

[1] Correlation effects in carbon nanotubes [J].

Balents, L ;

Fisher, MPA .

PHYSICAL REVIEW B, 1997, 55 (18) :11973-11976

[2] Weak-coupling phase diagram of the two-chain Hubbard model [J].

Balents, L ;

Fisher, MPA .

PHYSICAL REVIEW B, 1996, 53 (18) :12133-12141

[3] HYBRIDIZATION EFFECTS AND METALLICITY IN SMALL RADIUS CARBON NANOTUBES [J].

BLASE, X ;

BENEDICT, LX ;

SHIRLEY, EL ;

LOUIE, SG .

PHYSICAL REVIEW LETTERS, 1994, 72 (12) :1878-1881

[4] Single-electron transport in ropes of carbon nanotubes [J].

Bockrath, M ;

Cobden, DH ;

McEuen, PL ;

Chopra, NG ;

Zettl, A ;

Thess, A ;

Smalley, RE .

SCIENCE, 1997, 275 (5308) :1922-1925

[5] Electron nano-diffraction study of carbon single-walled nanotube ropes [J].

Cowley, JM ;

Nikolaev, P ;

Thess, A ;

Smalley, RE .

CHEMICAL PHYSICS LETTERS, 1997, 265 (3-5) :379-384

[6] Probing electrical transport in nanomaterials: Conductivity of individual carbon nanotubes [J].

Dai, HJ ;

Wong, EW ;

Lieber, CM .

SCIENCE, 1996, 272 (5261) :523-526

[7] Electrical conductivity of individual carbon nanotubes [J].

Ebbesen, TW ;

Lezec, HJ ;

Hiura, H ;

Bennett, JW ;

Ghaemi, HF ;

Thio, T .

NATURE, 1996, 382 (6586) :54-56

[8] Carbon nanotubes [J].

Ebbesen, TW .

PHYSICS TODAY, 1996, 49 (06) :26-32

[9] Metallic resistivity in crystalline ropes of single-wall carbon nanotubes [J].

Fischer, JE ;

Dai, H ;

Thess, A ;

Lee, R ;

Hanjani, NM ;

Dehaas, DL ;

Smalley, RE .

PHYSICAL REVIEW B, 1997, 55 (08) :R4921-R4924

[10] NEW ONE-DIMENSIONAL CONDUCTORS - GRAPHITIC MICROTUBULES [J].

HAMADA, N ;

SAWADA, S ;

OSHIYAMA, A .

PHYSICAL REVIEW LETTERS, 1992, 68 (10) :1579-1581

← 1 2 3 →