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Peierls distortion and vibrational spectra in undoped and doped trans-polyacetylene

โœ Scribed by G. Zannoni; G. Zerbi

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
373 KB
Volume
48
Category
Article
ISSN
0038-1098

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๐Ÿ“œ SIMILAR VOLUMES

Peierls instability and vibrational spec
Peierls instability and vibrational spectra of polyacetylene
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## Abstract It is shown that the Peierls instability in conjugated polymers is modified by the interaction of ฯ€ electrons. This modification gives rise to the absence of a soft mode of stretching C๏ฃฟC vibrations. Taking into account electron correlations we obtain reasonable agreement between the ca

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โœ M. Kertรฉsz; J. Koller; A. Aลพman ๐Ÿ“‚ Article ๐Ÿ“… 1980 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 299 KB

## Abstract The occurrence of brokenโ€symmetry Hartreeโ€Fock solutions may indicate instability of the lattice depending on the symmetry of the chargeโ€density wave (CDW). In case of polyacetylene, (CH)~__x__~, we have found such solutions having an offโ€diagonal CDW. It is pointed out that this sort o