- Abstract:
-
Excitons in the strong coupling limit of the half-filled one-dimensional extended Hubbard model with 1/r interactions are studied. Unlike the situation for nearest neighbor interactions, where there is at most only one (doubly degenerate) bound state, a 1/r interaction results in an infinite number of doubly degenerate bound states. In the continuum limit the exciton states are one-dimensional hydrogenlike states, with binding energies ∼ 1/n2. The particle-hole separation grows rapidly with n...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/PhysRevB.65.205118
-
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- Journal:
- PHYSICAL REVIEW B
- Volume:
- 65
- Issue:
- 20
- Pages:
- 2051181-2051185
- Publication date:
- 2002-05-15
- DOI:
- EISSN:
-
1095-3795
- ISSN:
-
1098-0121
- URN:
-
uuid:bc35a2fc-68fb-4337-8b23-ccdc8de785f5
- Source identifiers:
-
38305
- Local pid:
- pubs:38305
- Language:
- English
- Copyright date:
- 2002
Journal article
Excitons in the strong coupling limit of the one-dimensional extended Hubbard model
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