16568
Disorder and coupling to the normal modes localizes the center - of - mass particle and provides a quantitative definition of chromophores in conjugated polymers , paving the way for a first - principles theory of exciton diffusion in these systems .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None