Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: mVMC - Open-source software for many-variable variational Monte Carlo
  method   mVMC (many-variable Variational Monte Carlo) is an open-source software based
on the variational Monte Carlo method applicable for a wide range of
Hamiltonians for interacting fermion systems. In mVMC, we introduce more than
ten thousands variational parameters and simultaneously optimize them by using
the stochastic reconfiguration (SR) method. In this paper, we explain basics
and user interfaces of mVMC. By using mVMC, users can perform the calculation
by preparing only one input file of about ten lines for widely studied quantum
lattice models, and can also perform it for general Hamiltonians by preparing
several additional input files. We show the benchmark results of mVMC for the
Hubbard model, the Heisenberg model, and the Kondo-lattice model. These
benchmark results demonstrate that mVMC provides ground-state and
low-energy-excited-state wave functions for interacting fermion systems with
high accuracy.

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The categories of this paper are: plasm-ph
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The categories of this paper are: cs
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The categories of this paper are: atom-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-ph
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The categories of this paper are: hep-th
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The categories of this paper are: q-alg
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The categories of this paper are: nucl-th
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The categories of this paper are: chem-ph
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The categories of this paper are: astro-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: stat
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The categories of this paper are: patt-sol
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The categories of this paper are: math-ph
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The categories of this paper are: chao-dyn