Colloid and Polymer Science

, Volume 269, Issue 11, pp 1090–1098 | Cite as

Force-length relation for a short freely jointed chain: mass and volume dependence

  • P. Reineker
  • G. R. Siegert
  • R. G. Winkler
Original Contributions


We evaluate the force-length relation for short model chains. It is shown that this relation is markedly different when evaluated for static and dynamic model chains with rigid segments. The relation also differs for chains with rigid segments when they are isolated and coupled to a canonical heatbath, respectively. Furthermore, it is derived that the variation of the masses along the chain only has a small influence on the force-length relation. On the other hand, restricting the motion of the chain by walls perpendicular to the chain extension has a pronounced effect. We especially find that in this situation the chain has a finite equilibrium length.

Key words

Elastomer force-lengthrelation masseffect finitevolumeeffect dynamictreatment 


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Copyright information

© Steinkopff-Verlag 1991

Authors and Affiliations

  • P. Reineker
    • 1
  • G. R. Siegert
    • 1
  • R. G. Winkler
    • 1
  1. 1.Abteilung für Theoretische PhysikUniversität UlmUlmGermany

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