SOME PROPERTIES OF THE ETA-PAIRING EIGENSTATE IN THE HUBBARD-MODEL

被引：10

作者：

SU, G

GE, ML

ZHAO, BH

机构：

[1] CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING 100080,PEOPLES R CHINA

[2] NANKAI INST MATH,DIV THEORET PHYS,TIANJIN 300071,PEOPLES R CHINA

[3] CHINESE ACAD SCI,GRAD SCH,DEPT PHYS,BEIJING 100039,PEOPLES R CHINA

来源：

PHYSICS LETTERS A | 1991年 / 155卷 / 6-7期

关键词：

D O I：

10.1016/0375-9601(91)91051-E

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Some properties of the eta-pairing eigenstate of the Hubbard model are investigated. It is shown that in the eigenstate the Hubbard model can present a Meissner effect, and the symmetry breaking of the Hubbard system is in analogy to the corresponding case of the Heisenberg ferromagnetic system. It is also found that the eigenstate is a projected state of the usual BCS-like function.

引用

页码：425 / 428

页数：4

共 12 条

[1] THE RESONATING VALENCE BOND STATE IN LA2CUO4 AND SUPERCONDUCTIVITY
ANDERSON, PW
[J]. SCIENCE, 1987, 235 (4793) : 1196 - 1198
[2] POSSIBLE HIGH-TC SUPERCONDUCTIVITY IN THE BA-LA-CU-O SYSTEM
BEDNORZ, JG
MULLER, KA
[J]. ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1986, 64 (02): : 189 - 193
[3] Forster D, 1995, HYDRODYNAMIC FLUCTUA
[4] FIELD THEORIES WITH SUPERCONDUCTOR SOLUTIONS
GOLDSTONE, J
[J]. NUOVO CIMENTO, 1961, 19 (01): : 154 - 164
[5] ABSENCE OF MOTT TRANSITION IN AN EXACT SOLUTION OF SHORT-RANGE 1-BAND MODEL IN 1 DIMENSION
LIEB, EH
WU, FY
[J]. PHYSICAL REVIEW LETTERS, 1968, 20 (25) : 1445 - +
[6] 2 THEOREMS ON THE HUBBARD-MODEL
LIEB, EH
[J]. PHYSICAL REVIEW LETTERS, 1989, 62 (10) : 1201 - 1204
[7] REICHL LE, 1980, MODERN COURSE STATIS
[8] SUPERSYMMETRY AND ELEMENTARY EXCITATIONS OF THE ETA-PAIRING MECHANISM IN THE HUBBARD-MODEL
SU, G
GE, ML
[J]. PHYSICS LETTERS A, 1990, 149 (04) : 191 - 194
[9] SU G, NIMTP9017 NANK I MAT
[10] ETA-PAIRING AND OFF-DIAGONAL LONG-RANGE ORDER IN A HUBBARD-MODEL
YANG, CN
[J]. PHYSICAL REVIEW LETTERS, 1989, 63 (19) : 2144 - 2147

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