AN RVB APPROACH TO THE HUBBARD-MODEL

被引：3

作者：

CICUTA, GM ^{[1
]}

STRAMAGLIA, S ^{[1
]}

机构：

[1] IST NAZL FIS NUCL,I-70126 BARI,ITALY

来源：

PHYSICS LETTERS A | 1992年 / 165卷 / 5-6期

关键词：

D O I：

10.1016/0375-9601(92)90347-O

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study an interesting ansatz state of the resonating valence bond type, recently proposed by Messager and Richard for the half-filled Hubbard model and describe the formalism to evaluate expectation values for observables. In some detail we obtain them for a quasi-one-dimensional lattice.

引用

页码：456 / 462

页数：7

共 12 条

[1] THE RESONATING VALENCE BOND STATE IN LA2CUO4 AND SUPERCONDUCTIVITY
ANDERSON, PW
[J]. SCIENCE, 1987, 235 (4793) : 1196 - 1198
[2] BALACHANDRAN AP, 1990, LECTURE NOTES PHYSIC, V38
[3] THE NEAREST-NEIGHBOR RESONATING-VALENCE BOND STATE IN A GRASSMANNIAN FORM
BLUM, T
SHAPIR, Y
[J]. JOURNAL OF STATISTICAL PHYSICS, 1990, 59 (1-2) : 333 - 355
[4] BLUM T, 1989, MOD PHYS LETT, V3, P925
[5] GENERATING-FUNCTION APPROACH TO THE RESONATING-BOND STATE ON THE TRIANGULAR AND SQUARE LADDERS
FAN, Y
MA, M
[J]. PHYSICAL REVIEW B, 1988, 37 (04): : 1820 - 1824
[6] FRADKIN E, 1991, FIELD THEORIES CONDE
[7] A MECHANISM FOR SYMMETRY-BREAKING IN ANTIFERROMAGNETIC HEISENBERG SYSTEMS
ISKE, PL
CASPERS, WJ
[J]. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 1987, 142 (1-3) : 360 - 373
[8] THE POLY-POLYPHENANTHRENE FAMILY OF MULTI-PHASE PI-NETWORK POLYMERS IN A VALENCE-BOND PICTURE
KLEIN, DJ
SCHMALZ, TG
HITE, GE
METROPOULOS, A
SEITZ, WA
[J]. CHEMICAL PHYSICS LETTERS, 1985, 120 (4-5) : 367 - 371
[9] WAVE-FUNCTION COMPARISONS FOR THE VALENCE-BOND MODEL FOR CONJUGATED PI-NETWORKS
KLEIN, DJ
ALEXANDER, SA
SEITZ, WA
SCHMALZ, TG
HITE, GE
[J]. THEORETICA CHIMICA ACTA, 1986, 69 (5-6): : 393 - 407
[10] ANTIFERROMAGNETIC CORRELATIONS OF THE RESONATING-VALENCE-BOND STATE
KOHMOTO, M
SHAPIR, Y
[J]. PHYSICAL REVIEW B, 1988, 37 (16): : 9439 - 9442

← 1 2 →