Proton transport in ordered hydrogen-bonded solids

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The proton transfer is considered in hydrogenbonded chains with asymmetric double-minimum potentials for proteons. The transport is described by the kinksoliton propagation in an energetically asymmetric double-well potential for a proton. The asymmetry can be caused by the spontaneous polarization in hydrogenbonded ferroelectrics, medium polarization in nonferroelectric hydrogen-bonded solids, crystallographic structure, geometry of the proton neighbourhood and internal electric field in biological macromolecules. The soliton dynamics of the system is analytically studied including the influence of a constant external electric field and damping mechanism. The velocity, energy, momentum and mobility of kinks are calculated.

Original languageEnglish
Pages (from-to)517-524
Number of pages8
JournalZeitschrift für Physik B Condensed Matter and Quanta
Issue number4
StatePublished - Dec 1995


  • 66.10.Ed
  • 66.30.Dn
  • 66.30.Hs
  • 82.30.Nr
  • 87.22.Fy

ASJC Scopus subject areas

  • Condensed Matter Physics


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