Evolution of the spectrum of the Hubbard model with filling
The diagram technique for the one-band Hubbard model is formulated for the case of moderate to strong Hubbard repulsion. The expansion in powers of the hopping constant is expressed in terms of site cumulants of electron creation and annihilation operators. For Green’s function an equation of the...
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| Date: | 2006 |
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| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
Інститут фізики конденсованих систем НАН України
2006
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| Series: | Condensed Matter Physics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/121355 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Evolution of the spectrum of the Hubbard model with filling / A. Sherman // Condensed Matter Physics. — 2006. — Т. 9, № 3(47). — С. 535–544. — Бібліогр.: 29 назв. — англ. |