TY - JOUR

T1 - Confinement free energy of semiflexible polymers

AU - Dijkstra, Marjolein

AU - Frenkel, Daan

AU - Lekkerkerker, Henk N W

PY - 1993/4/1

Y1 - 1993/4/1

N2 - Using a novel scheme to compute the chemical potential of semiflexible polymers, we have measured the confinement free energy of a wormlike chain in a tube. We compare our result for the dependence of the free energy on the chain length, the persistence length and the diameter of the cylinder with the corresponding theoretical predictions based on the scaling theory of Odijk and the fluctuation theory of Helfrich. Our simulation data agree well with the exponents of the theoretically predicted power laws. We find evidence that, for long wavelengths, the mode damping assumption underlying Helfrich's theory is valid.

AB - Using a novel scheme to compute the chemical potential of semiflexible polymers, we have measured the confinement free energy of a wormlike chain in a tube. We compare our result for the dependence of the free energy on the chain length, the persistence length and the diameter of the cylinder with the corresponding theoretical predictions based on the scaling theory of Odijk and the fluctuation theory of Helfrich. Our simulation data agree well with the exponents of the theoretically predicted power laws. We find evidence that, for long wavelengths, the mode damping assumption underlying Helfrich's theory is valid.

UR - http://www.scopus.com/inward/record.url?scp=33244472673&partnerID=8YFLogxK

U2 - 10.1016/0378-4371(93)90482-J

DO - 10.1016/0378-4371(93)90482-J

M3 - Article

AN - SCOPUS:33244472673

SN - 0378-4371

VL - 193

SP - 374

EP - 393

JO - Physica. A, theoretical and statistical physics

JF - Physica. A, theoretical and statistical physics

IS - 3-4

ER -