T/U EXPANSION FOR THE HUBBARD-MODEL - REPLY

被引：83
作者：
MACDONALD, AH
GIRVIN, SM
YOSHIOKA, D
机构：
[1] Department of Physics, Indiana University, Bloomington
来源：
PHYSICAL REVIEW B | 1990年 / 41卷 / 04期
关键词：
D O I：
10.1103/PhysRevB.41.2565
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is shown that the unitary transformation used as the basis of a t/U expansion for the Hubbard model in an earlier Brief Report is not equivalent to the canonical perturbation expansion (CPE) discussed in the preceding Comment. The CPE is valid only to leading order in t/U. More evidence is offered in support of our suggestion that higher-order terms in the t/U expansion tend to favor spin-liquid states over antiferromagnetically ordered states. © 1990 The American Physical Society.
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页码：2565 / 2568
页数：4
相关论文
共 32 条
[1]   NEW APPROACH TO THE THEORY OF SUPEREXCHANGE INTERACTIONS [J].
ANDERSON, PW .
PHYSICAL REVIEW, 1959, 115 (01) :2-13
[2]   THE RESONATING VALENCE BOND STATE IN LA2CUO4 AND SUPERCONDUCTIVITY [J].
ANDERSON, PW .
SCIENCE, 1987, 235 (4793) :1196-1198
[3]  
ANDRZEJ M, 1990, PHYS REV B, V41, P2562
[4]   GROUND-STATE ENERGY OF STRONGLY CORRELATED ELECTRONIC SYSTEMS [J].
BECKER, KW ;
FULDE, P .
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1988, 72 (04) :423-427
[5]   POSSIBLE HIGH-TC SUPERCONDUCTIVITY IN THE BA-LA-CU-O SYSTEM [J].
BEDNORZ, JG ;
MULLER, KA .
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1986, 64 (02) :189-193
[6]  
BULAEVSKII LN, 1967, ZH EKSP TEOR FIZ+, V24, P154
[7]  
CATELLANI C, 1979, PHYS REV LETT, V43, P1957
[8]   TWO-DIMENSIONAL QUANTUM HEISENBERG-ANTIFERROMAGNET AT LOW-TEMPERATURES [J].
CHAKRAVARTY, S ;
HALPERIN, BI ;
NELSON, DR .
PHYSICAL REVIEW B, 1989, 39 (04) :2344-2371
[9]   KINETIC EXCHANGE INTERACTION IN A NARROW S-BAND [J].
CHAO, KA ;
SPALEK, J ;
OLES, AM .
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1977, 10 (10) :L271-L276
[10]   CANONICAL PERTURBATION EXPANSION OF THE HUBBARD-MODEL [J].
CHAO, KA ;
SPALEK, J ;
OLES, AM .
PHYSICAL REVIEW B, 1978, 18 (07) :3453-3464
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