Helix-like structure formation of a semi-flexible chain confined in a cylinder channel
Wen Xiaohui1, 2, †, , Sun Tieyu2, Zhang Wei-Bing3, Lam Chi-Hang2, Zhang Linxi4, Zang Huaping5
       

Schematics of excluded volume (yellow) for the polymer chains, whose conformations are (a) rod-like and (b) helix structure.The excluded volume decreases by overlap when the confined semi-flexible chain forms a helix.