Electron dephasing near zero temperature: An experimental review

Juhn-Jong Lin, T. J. Li, Y. L. Zhong

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


The behavior of the electron dephasing time near zero temperature, T φ 0, has recently attracted vigorous attention. This renewed interest is primarily concerned with whether Tφ 0 should reach a finite or an infinite value as T - 0. While it is accepted that Tφ 0 should diverge if there exists only electron-electron (electron-phonon) scattering, several recent measurements have found that Tφ 0 depends only very weakly on temperature, if at all, when T is sufficiently low. This article discusses the current experimental status of "the saturation problem", and concludes that the origin(s) for this widely observed saturation are still unresolved.

Original languageEnglish
Pages (from-to)7-12
Number of pages6
JournalJournal of the Physical Society of Japan
Issue numberSUPPL. A
StatePublished - 1 Dec 2003


  • Disordered metals
  • Electron dephasing
  • Magnetic scattering
  • Mesoscopic structures
  • Saturation of dephasing time
  • Two-level systems
  • Weak localization

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