Excitonic states of poly(para-phenylene)
Using a recently developed phenomenological Hamiltonian of poly(para-phenylene) and the density matrix renormalization group approach, we investigate the transition from bound to unbound states. Energies and exciton correlation functions of the lowest excited states are calculated. The lowest 1B1u-...
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| Format: | Conference item |
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Elsevier
1999
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| _version_ | 1826277291271913472 |
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| author | Lavrentiev, M Barford, W Bursill, R |
| author_facet | Lavrentiev, M Barford, W Bursill, R |
| author_sort | Lavrentiev, M |
| collection | OXFORD |
| description | Using a recently developed phenomenological Hamiltonian of poly(para-phenylene) and the density matrix renormalization group approach, we investigate the transition from bound to unbound states. Energies and exciton correlation functions of the lowest excited states are calculated. The lowest 1B1u- states situated below the charge gap are found to be bound excitons. The 21Ag+ state, being unbound, represents a band threshold; the exciton binding energy is found to be 0.74 eV. |
| first_indexed | 2024-03-06T23:26:42Z |
| format | Conference item |
| id | oxford-uuid:6a9a9c8c-5303-4d1c-96d9-c029bd4de7f8 |
| institution | University of Oxford |
| last_indexed | 2024-03-06T23:26:42Z |
| publishDate | 1999 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | oxford-uuid:6a9a9c8c-5303-4d1c-96d9-c029bd4de7f82022-03-26T18:58:35ZExcitonic states of poly(para-phenylene)Conference itemhttp://purl.org/coar/resource_type/c_5794uuid:6a9a9c8c-5303-4d1c-96d9-c029bd4de7f8Symplectic Elements at OxfordElsevier1999Lavrentiev, MBarford, WBursill, RUsing a recently developed phenomenological Hamiltonian of poly(para-phenylene) and the density matrix renormalization group approach, we investigate the transition from bound to unbound states. Energies and exciton correlation functions of the lowest excited states are calculated. The lowest 1B1u- states situated below the charge gap are found to be bound excitons. The 21Ag+ state, being unbound, represents a band threshold; the exciton binding energy is found to be 0.74 eV. |
| spellingShingle | Lavrentiev, M Barford, W Bursill, R Excitonic states of poly(para-phenylene) |
| title | Excitonic states of poly(para-phenylene) |
| title_full | Excitonic states of poly(para-phenylene) |
| title_fullStr | Excitonic states of poly(para-phenylene) |
| title_full_unstemmed | Excitonic states of poly(para-phenylene) |
| title_short | Excitonic states of poly(para-phenylene) |
| title_sort | excitonic states of poly para phenylene |
| work_keys_str_mv | AT lavrentievm excitonicstatesofpolyparaphenylene AT barfordw excitonicstatesofpolyparaphenylene AT bursillr excitonicstatesofpolyparaphenylene |