Pauli susceptibility at a Peierls transition

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Using general arguments borrowed from magnetism, the author shows that it is short-range order parameter fluctuations close to Tc that lead to the observed behaviour of chi at a Peierls transition; in the quasi-static approximation dchi/dT should vary as the lattice specific heat. The addition of impurities produces rounding of the d chi /dT cusp when the true phase transition is destroyed by disorder. The theory compares favourably with experiment.

Original languageEnglish (US)
Article number017
Pages (from-to)3709-3714
Number of pages6
JournalJournal of Physics: Condensed Matter
Issue number23
StatePublished - 1989
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics


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