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Elasticity of semiflexible polymers

Phys. Rev. E 66, 050801(R) – Published 21 November 2002
Joseph Samuel and Supurna Sinha


We present a method for solving the wormlike chain model for semiflexible polymers to any desired accuracy over the entire range of polymer lengths. Our results are in excellent agreement with recent computer simulations and reproduce important qualitatively interesting features observed in simulations of polymers of intermediate lengths. We also make a number of predictions that can be tested in a variety of concrete experimental realizations. The expected level of finite size fluctuations in force-extension curves is also estimated. This study is relevant to mechanical properties of biological molecules.

DOI: http://dx.doi.org/10.1103/PhysRevE.66.050801

  • Received 4 December 2001
  • Revised 14 June 2002
  • Published 21 November 2002

© 2002 The American Physical Society

Authors & Affiliations

Joseph Samuel and Supurna Sinha

  • Raman Research Institute, Bangalore 560080, India

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