Bipartite Composite Fermion States

G. J. Sreejith, C. Tőke, A. Wójs, and J. K. Jain
Phys. Rev. Lett. 107, 086806 – Published 17 August 2011

Abstract

We study a class of ansatz wave functions in which composite fermions form two correlated “partitions.” These “bipartite” composite fermion states are demonstrated to be very accurate for electrons in a strong magnetic field interacting via a short-range 3-body interaction potential over a broad range of filling factors. Furthermore, this approach gives accurate approximations for the exact Coulomb ground state at 2+3/5 and 2+4/7 and is thus a promising candidate for the observed fractional quantum Hall states at the hole conjugate fractions at 2+2/5 and 2+3/7.

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  • Received 2 February 2011

DOI:https://doi.org/10.1103/PhysRevLett.107.086806

© 2011 American Physical Society

Authors & Affiliations

G. J. Sreejith1, C. Tőke2, A. Wójs3, and J. K. Jain1

  • 1Department of Physics, 104 Davey Lab, Pennsylvania State University, University Park, Pennsylvania 16802, USA
  • 2Institute of Physics, University of Pécs, 7624 Pécs, Hungary
  • 3Institute of Physics, Wroclaw University of Technology, 50-370 Wroclaw, Poland

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Vol. 107, Iss. 8 — 19 August 2011

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