Attracting solitons and discontinuous lock-in transition in a Peierls-Fröhlich condensate

M. Grabowski, K. R. Subbaswamy, Baruch Horovitz

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We explore the exact soliton solutions of a model Hamiltonian that describes the nonlinear phase-amplitude excitations in a Peierls-Fröhlich condensate. Several novel features of soliton physics emerge: the existence of static multi-soliton bound states (solitonic "molecules") in the commensurate system and solitonic "molecular" lattice in the incommensurate system. We show that a discontinuous transition to an incommensurate ground state can occur. Implications of these results to doped polyacetylene and to the spin-Peierls system are discussed.

Original languageEnglish
Pages (from-to)911-915
Number of pages5
JournalSolid State Communications
Volume34
Issue number12
DOIs
StatePublished - 1 Jan 1980
Externally publishedYes

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry

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