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Dynamical model of the dielectric screening of conjugated polymers

Abstract:

A dynamical model of the dielectric screening of conjugated polymers is introduced and solved using the density matrix renormalization group method. The model consists of a line of quantized dipoles interacting with a polymer chain. The polymer is modelled by the Pariser-Parr-Pople (P-P-P) model. It is found that: (1) Compared to isolated, unscreened single chains, the screened 1Bu- exciton binding energy is typically reduced by ca. 1 eV to just over 1 eV; (2) Covalent (magnon and bi-magnon) ...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.69.155203

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
PHYSICAL REVIEW B
Volume:
69
Issue:
15
Publication date:
2004-02-24
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:5121e5a7-38bc-4387-903f-273c91232c19
Source identifiers:
39027
Local pid:
pubs:39027
Language:
English
Keywords:

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