Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Topological susceptibility in (2+1)-flavor lattice QCD with overlap
  fermion   We determine the topological susceptibility \chi_t in the
topologically-trivial sector generated by lattice simulations of N_f = 2+1 QCD
with overlap Dirac fermion, on a 16^3 x 48 lattice with lattice spacing ~ 0.11
fm, for five sea quark masses m_q ranging from m_s/6 to m_s (where m_s is the
physical strange quark mass). The \chi_t is extracted from the plateau (at
large time separation) of the 2-point and 4-point time-correlation functions of
the flavor-singlet pseudoscalar meson \eta', which arises from the finite size
effect due to fixed topology. In the small m_q regime, our result of \chi_t
agrees with the chiral effective theory. Using the formula \chi_t =
\Sigma(m_u^{-1} + m_d^{-1} + m_s^{-1})^{-1} by Leutwyler-Smilga, we obtain the
chiral condensate \Sigma^{MSbar}(2 GeV) = [249(4)(2) MeV]^3.

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The categories of this paper are: hep-ph
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The categories of this paper are: quant-ph
6
The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th
20
The categories of this paper are: acc-phys
14
The categories of this paper are: math-ph
18
The categories of this paper are: econ
24
The categories of this paper are: dg-ga
2
The categories of this paper are: math
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The categories of this paper are: q-fin
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The categories of this paper are: patt-sol
3
The categories of this paper are: physics
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The categories of this paper are: eess
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The categories of this paper are: mtrl-th
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The categories of this paper are: stat
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The categories of this paper are: bayes-an