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A model for crystallization: A variation on the Hubbard model

โœ Scribed by Elliott H. Lieb


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
472 KB
Volume
140
Category
Article
ISSN
0378-4371

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A trial wave function is proposed for studying the instability of the two-dimensional Hubbard model with respect to d-wave superconductivity. Double occupancy is reduced in a similar way as in previous variational studies, but in addition our wave function both enhances the delocalization of holes a