Zero modes, Bosonization and Topological Quantum Order: Composite Fermions in Second Quantization

ORAL

Abstract

We develop recursion relations, in particle number, for all (unprojected) Jain composite fermion (CF) wavefunctions.
These recursions generalize a similar recursion originally written down by Read for Laughlin states, in mixed first-second quantized notation. In contrast, our approach is purely second-quantized, giving rise to an algebraic, ``pure guiding center'' definition of CF states that de-emphasizes first quantized many-body wave functions. Key to the construction is a second-quantized representation of the flux attachment operator that maps any given fermion state to its CF counterpart.
An algebra of generators of edge excitations is identified. In particular, in those cases where a well-studied parent Hamiltonian exists, its properties can be entirely understood in the present framework, and the identification of edge state generators can be understood as an instance of ``microscopic bosonization''. The intimate connection of Read's original recursion with ``non-local order parameters'' generalizes to the present situation, and we are able to give explicit second quantized formulas for non-local order parameters associated with CF states.

Presenters

  • Li Chen

    Florida State University

Authors

  • Li Chen

    Florida State University

  • Sumanta Bandyopadhyay

    Washington University, St. Louis

  • Kun Yang

    Florida State University, National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32306, USA, Physics, National High Magnetic Field Laboratory and Florida State University, Florida State University, Tallahassee, Florida, USA, National High Magnetic Field Laboratory and Department of Physics, Florida State University

  • Alexander Seidel

    Physics, Washington University in St.Louis, Washington University, St. Louis, Department of Physics, Washington University in St. Louis, Physics, Washington University