Flavor altering excitations of composite fermions

Michael R. Peterson, Jainendra K. Jain

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Abstract

The excitation of flavor of composite fermions across composite-fermion quasi-Landau levels (LL) was investigated. It was found that a ladder of flavor changing excitations exists in which composite fermions were partially dissociated by a removal of some or all of their velocities. It was found that the collective excitations evolve continously not only across fractions belonging to a given sequence, but also between different sequences of fractions. The zero wave vector mode, the minimum energy neutral excitation and the excitation that contains a far separated particle hole pair of composite fermions was observed.

Original languageEnglish (US)
Pages (from-to)46402-46401
Number of pages2
JournalPhysical Review Letters
Volume93
Issue number4
DOIs
StatePublished - Jul 23 2004

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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