线型高分子尾形链的<S～(2k)〉/<R～(2k)>

Ratio <S^(2k)>/<R^(2k) > of linear tail-like polymer chain

运用 Monte Carlo方法计算平面壁吸附的线型无规飞行尾形链的回转半径高次矩与末端距高次矩的比 <S2 k>/ <R2 k>(k=1,2 ,3,… ,6 ) .结果表明 :链长较大时 ,<S2 k>/ <R2 k>的值近似与链长无关 ,极限值可以近似记为 <S2 k>/

The ratios <S 2k >/<R 2k >(k=1,2,3,...,6) of linear tail like polymer chains grafted to a flat surface were computed using the Monte Carlo method. Results showed that the ratios <S 2k >/<R 2k > are nearly independent of chain length for long chains, and the limit values can be expressed approximately as <S 2k >/