Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Quantum Hall Systems: Braid groups, composite fermions, and fractional
  charge   The book presents the wide range of topics in two-dimensional physics of
quantum Hall systems, especially fractional quantum Hall states. It starts with
the fundamental problems of quantum statistics in two dimensions and the
corresponding braid group formalism. The braid group formalism of anyons
(previously known) is developed for composite fermions. The main formalism used
in many-body quantum Hall theories -- the Chern-Simons theory is also
presented. The Chern-Simons theory of anyons (particles obeying fractional
statistics) and composite fermions (related to Hall systems) is given, in
detail. Numerical studies, which play the important role in quantum Hall
theories, are presented for spherical systems (Haldane sphere). The composite
fermion theory is tested in numerical studies. The concept of the hierarchy of
condensed states of composite fermion excitations is introduced (in analogy to
the Haldane hierarchy)1). The hierarchies of odd-denominator states and
even-denominator states are presented. The BCS paired Hall state is also
discussed. The introduction into multi-component quantum Hall systems and spin
quantum Hall systems is sketched.
  1)First condensed states of composite fermion excitations have been very
recently confirmed in the experiment (Pan et al. Phys. Rev. Lett. 90 (2003)
016801). a sample of this book is available at
http://www.oup.co.uk/isbn/0-19-852870-1

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The categories of this paper are: astro-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: chao-dyn
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The categories of this paper are: chem-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: q-fin
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The categories of this paper are: patt-sol
0
The categories of this paper are: hep-ph
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The categories of this paper are: solv-int
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The categories of this paper are: econ
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The categories of this paper are: stat
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The categories of this paper are: alg-geom
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The categories of this paper are: hep-ex
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The categories of this paper are: quant-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: plasm-ph