Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Magnetic Properties for the One-Dimensional Multicomponent Spin-Gap
  System   Magnetic properties for the one-dimensional multicomponent quantum spin
system with the excitation gap are studied based on the integrable spin model
introduced by Bariev {\it et al}. By exactly computing the magnetization, we
show how the characteristic structure with plateaus and cusps appears in the
magnetization process. To study low-energy dynamics of the system, we apply the
finite-size scaling analysis to the excitation spectrum, and thereby evaluate
the power-law exponent as well as the enhancement factor for the
low-temperature NMR relaxation rate $1/T_1$. We discuss the critical properties
of $1/T_1$ around plateaus and cusps in the magnetization curve.

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The categories of this paper are: gr-qc
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The categories of this paper are: patt-sol
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The categories of this paper are: adap-org
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The categories of this paper are: physics
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The categories of this paper are: nlin
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The categories of this paper are: econ
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The categories of this paper are: math-ph
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The categories of this paper are: solv-int
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The categories of this paper are: cs
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The categories of this paper are: nucl-ex
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The categories of this paper are: mtrl-th
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The categories of this paper are: bayes-an
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The categories of this paper are: ao-sci
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The categories of this paper are: plasm-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-ph