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Ground state phase diagram of extended attractive Hubbard model

✍ Scribed by S. Robaszkiewicz; R. Micnas; K.A. Chao


Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
314 KB
Volume
40
Category
Article
ISSN
0038-1098

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Lower bounds for the ground state energy
✍ J. ΔŒΓ­αΊ‘ek; F. Vinette πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 English βš– 490 KB

The optimized inner projection (OIP) technique, which is equivalent to the method of intermediate Hamiltonians (MIH), is applied to the PPP and Hubbard models of the benzene molecule. Both these methods are applicable since the electrostatic part of the PPP and Hubbard Hamiltonians is positive defin