The ferromagnetic phase of the two-dimensional Hubbard model

D. M. Edwards; W. von der Linden

doi:10.1016/0304-8853(92)91010-Q

The ferromagnetic phase of the two-dimensional Hubbard model

D. M. Edwards, W. von der Linden

Institute of Theoretical and Computational Physics (5150)

Research output: Contribution to journal › Article › peer-review

Abstract

Strong evidence is presented for the stability of the ferromagnetic state with complete spin alignment, against a single spin reversal, in a small region of the T = 0 phase diagram of the Hubbard square lattice with nearest-neighbor hopping. The calculations are based on a variational ansatz which is exact in one dimension and nearly exact in two dimensions.

Original language	English
Pages (from-to)	739-740
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	104
DOIs	https://doi.org/10.1016/0304-8853(92)91010-Q
Publication status	Published - 1 Feb 1992

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10.1016/0304-8853(92)91010-Q

http://www.sciencedirect.com/science/article/pii/030488539291010Q

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title = "The ferromagnetic phase of the two-dimensional Hubbard model",

abstract = "Strong evidence is presented for the stability of the ferromagnetic state with complete spin alignment, against a single spin reversal, in a small region of the T = 0 phase diagram of the Hubbard square lattice with nearest-neighbor hopping. The calculations are based on a variational ansatz which is exact in one dimension and nearly exact in two dimensions.",

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AU - von der Linden, W.

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N2 - Strong evidence is presented for the stability of the ferromagnetic state with complete spin alignment, against a single spin reversal, in a small region of the T = 0 phase diagram of the Hubbard square lattice with nearest-neighbor hopping. The calculations are based on a variational ansatz which is exact in one dimension and nearly exact in two dimensions.

AB - Strong evidence is presented for the stability of the ferromagnetic state with complete spin alignment, against a single spin reversal, in a small region of the T = 0 phase diagram of the Hubbard square lattice with nearest-neighbor hopping. The calculations are based on a variational ansatz which is exact in one dimension and nearly exact in two dimensions.

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DO - 10.1016/0304-8853(92)91010-Q

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VL - 104

SP - 739

EP - 740

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

ER -

The ferromagnetic phase of the two-dimensional Hubbard model

Abstract

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