FERROMAGNETISM OF HUBBARD MODELS

被引：19

作者：

MULLERHARTMANN, E

HANISCH, T

HIRSCH, R

机构：

[1] Institut für Theoretische Physik, Universität Köln

来源：

PHYSICA B-CONDENSED MATTER | 1993年 / 186-88卷

关键词：

D O I：

10.1016/0921-4526(93)90716-J

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The instability with respect to spin flips of the fully polarized ferromagnetic ground state (Nagaoka state) of Hubbard models on various lattices in various dimensions is discussed and reviewed.

引用

页码：834 / 836

页数：3

共 34 条

[1] STABILITY OF THE SATURATED FERROMAGNETIC STATE IN THE ONE-BAND HUBBARD-MODEL [J].

BARBIERI, A ;

RIERA, JA ;

YOUNG, AP .

PHYSICAL REVIEW B, 1990, 41 (16) :11697-11700

[2] STABILITY OF THE FERROMAGNETIC STATE WITH RESPECT TO A SINGLE SPIN-FLIP - VARIATIONAL CALCULATIONS FOR THE U=INFINITY HUBBARD-MODEL ON THE SQUARE LATTICE [J].

BASILE, AG ;

ELSER, V .

PHYSICAL REVIEW B, 1990, 41 (07) :4842-4845

[3] INSTABILITY OF THE NAGAOKA STATE WITH MORE THAN ONE HOLE [J].

DOUCOT, B ;

WEN, XG .

PHYSICAL REVIEW B, 1989, 40 (04) :2719-2722

[4]

EDWARDS DM, 1990, PROG THEOR PHYS SUPP, P453, DOI 10.1143/PTPS.101.453

[5] HOLES IN THE INFINITE-U HUBBARD-MODEL - INSTABILITY OF THE NAGAOKA STATE [J].

FANG, Y ;

RUCKENSTEIN, AE ;

DAGOTTO, E ;

SCHMITTRINK, S .

PHYSICAL REVIEW B, 1989, 40 (10) :7406-7409

[6] GROUND-STATE PHASE-DIAGRAM OF THE INFINITE DIMENSIONAL HUBBARD-MODEL - A VARIATIONAL STUDY [J].

FAZEKAS, P ;

MENGE, B ;

MULLERHARTMANN, E .

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1990, 78 (01) :69-80

[7] EFFECT OF CORRELATION ON FERROMAGNETISM OF TRANSITION METALS [J].

GUTZWILLER, MC .

PHYSICAL REVIEW LETTERS, 1963, 10 (05) :159-&

[8]

HANISCH T, 1992, THESIS U COLOGNE

[9] THE SPIN-DENSITY WAVE HARTREE-FOCK STATE IN ALMOST HALF-FILLED HUBBARD SYSTEMS WITH INFINITE REPULSION [J].

HASHIMOTO, K .

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1985, 54 (01) :33-36

[10]

HIRSCH R, IN PRESS

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