Unpaired composite fermion, topological exciton, and zero mode

G. J. Sreejith, A. Wójs, J. K. Jain

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


The paired state of composite fermions is expected to support two kinds of excitations: vortices and unpaired composite fermions. We construct an explicit microscopic description of the unpaired composite fermions, which we demonstrate to be accurate for a 3-body model interaction and, possibly, adiabatically connected to the Coulomb solution. This understanding reveals that an unpaired composite fermion carries with it a charge-neutral "topological" exciton, which, in turn, helps provide microscopic insight into the origin of zero modes, fusion rules, and energetics.

Original languageEnglish (US)
Article number136802
JournalPhysical review letters
Issue number13
StatePublished - Sep 20 2011

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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