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(a) The discretized KWLC is a chain of wormlike and kinklike vertices. In this illustration N=4; thus there are four vertices, of which one is kinklike. When a vertex i is wormlike (σi=1), the energy is given by the normal wormlike chain energy; if it is kinklike (σi=0), the energy is ε, independent of θi. (b) The continuum version of this theory. Although the number of vertices is now infinite, the continuum limit maintains a finite average kink density.
