Umklapp scattering of pairs in BCS superconductivity theory

Xue-Heng Zheng, D George Walmsley

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The BCS theory of superconductivity is extended to recognize pairing of electrons by both normal and umklapp phonon scattering. Application of the variational approach shows that the coexistence of normal and umklapp scattering frustrates superconductivity.
Original languageEnglish
Pages (from-to)8297-8309
Number of pages13
JournalJournal of Physics: Condensed Matter
Issue number46
Publication statusPublished - 24 Nov 2004

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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