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Spin excitations and phase diagram of the extended t-J model

โœ Scribed by H. Fukuyama; H. Kohno; T. Tanamoto


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
340 KB
Volume
235-240
Category
Article
ISSN
0921-4534

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We study the t-J model in one dimension by combining a variational approach and an exact ground-state projection method. We find that the model exhibits Luttinger-liquid behavior for most of the phase diagram before the critical J/t for phase separation. However, at small densities and high interact