EXACT DEMONSTRATION OF OFF-DIAGONAL LONG-RANGE ORDER IN THE GROUND-STATE OF A HUBBARD-MODEL

被引：51

作者：

SHEN, SQ

QIU, ZM

机构：

[1] China Center of Advanced Science and Technology (World Laboratory), Beijing 100 080

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.71.4238

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a rigorous proof that the ground state of a negative-U Hubbard model on some bipartite lattices A possesses off-diagonal long-range order in a finite range of the electron filling factor rho(e).

引用

页码：4238 / 4240

页数：3

共 23 条

[1] THEORY OF SUPERCONDUCTIVITY [J].

BARDEEN, J ;

COOPER, LN ;

SCHRIEFFER, JR .

PHYSICAL REVIEW, 1957, 108 (05) :1175-1204

[2] BOUND ELECTRON PAIRS IN A DEGENERATE FERMI GAS [J].

COOPER, LN .

PHYSICAL REVIEW, 1956, 104 (04) :1189-1190

[3] THEORY OF QUASI-ONE-DIMENSIONAL ELECTRON-GAS WITH STRONG ON-SITE INTERACTIONS [J].

EMERY, VJ .

PHYSICAL REVIEW B, 1976, 14 (07) :2989-2994

[4] ELECTRONIC MODEL FOR SUPERCONDUCTIVITY [J].

ESSLER, FHL ;

KOREPIN, VE ;

SCHOUTENS, K .

PHYSICAL REVIEW LETTERS, 1993, 70 (01) :73-76

[5] NEW EXACTLY SOLVABLE MODEL OF STRONGLY CORRELATED ELECTRONS MOTIVATED BY HIGH-TC SUPERCONDUCTIVITY [J].

ESSLER, FHL ;

KOREPIN, VE ;

SCHOUTENS, K .

PHYSICAL REVIEW LETTERS, 1992, 68 (19) :2960-2963

[6] ELECTRON CORRELATIONS IN NARROW ENERGY BANDS .3. IMPROVED SOLUTION [J].

HUBBARD, J .

PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1964, 281 (1384) :401-+

[7] ELECTRON CORRELATIONS IN NARROW ENERGY BANDS [J].

HUBBARD, J .

PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1963, 276 (1364) :238-+

[8] 2 THEOREMS ON THE HUBBARD-MODEL [J].

LIEB, EH .

PHYSICAL REVIEW LETTERS, 1989, 62 (10) :1201-1204

[9] SUPERCONDUCTIVITY IN NARROW-BAND SYSTEMS WITH LOCAL NONRETARDED ATTRACTIVE INTERACTIONS [J].

MICNAS, R ;

RANNINGER, J ;

ROBASZKIEWICZ, S .

REVIEWS OF MODERN PHYSICS, 1990, 62 (01) :113-171

[10] FERROMAGNETISM IN THE HUBBARD-MODEL AND HUNDS RULE [J].

MIELKE, A .

PHYSICS LETTERS A, 1993, 174 (5-6) :443-448

← 1 2 3 →