On the ground state of ferromagnetic Hamiltonians

被引：0
|
作者：
Dittrich, J
Inozemtsev, VI [1 ]
机构：
[1] Acad Sci Czech Republic, Inst Nucl Phys, CZ-25068 Rez, Czech Republic
[2] Joint Inst Nucl Res, BLTP, Dubna 141980, Russia
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 2004年 / 54卷 / 07期
关键词：
spin lattice; ferromagnet; ground state;
D O I：
10.1023/B:CJOP.0000038530.84445.d2
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It is generally believed that the ground state of the ferromagnetic Heisenberg-Dirac-Van Vleck Hamiltonians acting on s = 1/2 spins of a lattice with N sites has the maximum 2 possible value of the total spin S = N/2 and is N + 1 times degenerate. We present a rigorous proof of this statement, independent of the lattice dimension and topology.
引用
收藏
页码：775 / 779
页数：5
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