Dynamics of directed polymers with cutting interactions

Sergei E. Esipov, A. Alan Middleton

Research output: Contribution to journalArticle


An equation for the time evolution of the density of directed polymers is derived in the limit of a high rate of cutting. The equilibrium solution is found to be equivalent to that obtained from the transfer-matrix approach for a single directed polymer. For potentials that depend only on the transverse coordinates, the logarithm of the mobility is found to behave as (-U1/2), or barrier height U. Application to the motion of flux lines in superconductors is briefly discussed.

Original languageEnglish (US)
Pages (from-to)7288-7291
Number of pages4
JournalPhysical Review A
Issue number10
StatePublished - Jan 1 1992

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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