On the Hubbard model with boundaries

The magnetization and the electron number at the edge site are analytically calculated in the repulsive Hubbard model with a small magnetic field near the half-filling. Such quantities in the strong-coupling limit are evaluated. The relationship between the repulsive and the attractive Hubbard models with boundary fields is discussed. The magnetization and the electron number at the edge site are also derived in the attractive Hubbard model.

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Year of publication:	1997
Authors:	Asakawa, Hitoshi ; Suzuki, Masuo
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 236.1997, 3, p. 376-394
Publisher:	Elsevier
Subject:	Hubbard model \| Boundary effect

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010586353