Composite-fermion picture for the double-layer fractional quantum Hall effect

T. Nakajima, H. Aoki

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The composite-fermion picture is applied to the double-layer fractional quantum Hall system at the fractional total Landau-level filling of v=1/m (where m is an odd integer) to study the collective pseudospin-wave excitation mode. The result indicates that the system may be regarded as a system of composite fermions with reduced interparticle interactions and unchanged interlayer tunnelling, which makes the quantum Hall regime, identified by a finite pseudospin-wave excitation gap, wider as v becomes 1/3, 1/5,....

Original languageEnglish
Pages (from-to)83-86
Number of pages4
JournalSurface Science
Publication statusPublished - 1996 Jul 20


  • Heterojunctions
  • Many body and quasi-particle theories
  • Semiconductor-semiconductor heterostructures


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