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
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
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页码:4238 / 4240
页数:3
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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
[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