The symmetries of fermion fluids at low dimensions

Philip W. Anderson, F. Duncan M. Haldane

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We point out that the quasiparticle spectrum of the Landau Fermi liquid theory has an extra Z2 symmetry, local in momentum space, which is not generic to the Hamiltonian with interactions. Thus the Fermi liquid is in this sense a (quantum) zero-temperature critical point.

Original languageEnglish (US)
Pages (from-to)425-428
Number of pages4
JournalJournal of Statistical Physics
Volume103
Issue number3-4
DOIs
StatePublished - May 2001

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics

Keywords

  • Fermi liquid theory
  • Interacting Fermi systems
  • Symmetries of Fermi systems

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