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
✦ LIBER ✦
Ground state phase diagram of the infinite dimensional Hubbard model: A variational study
✍ Scribed by P. Fazekas; B. Menge; E. Müller-Hartmann
- Book ID
- 112515531
- Publisher
- Springer
- Year
- 1990
- Tongue
- English
- Weight
- 1000 KB
- Volume
- 78
- Category
- Article
- ISSN
- 1434-6036
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