Author/Authors :
Kobayashi، نويسنده , , Takayoshi and Wang، نويسنده , , Haibo and Wang، نويسنده , , Zhuan and Otsubo، نويسنده , , Tetsuo، نويسنده ,
Abstract :
Sub-5-fs spectroscopy of a thiophene derivative with an electron donative and an acceptive moieties and quinoid structure provided the experimental evidence of dynamic mode coupling. It was shown that two out-of-plane bending modes mediate the dynamic mode coupling between 1469 and 1379 cm−1 and between 1603 and 1469 cm−1. These couplings are considered to be associated with geometrical relaxation relevant to the neutral bipolaron formation in all-s-trans polyacetylene.
