Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Accurate computation of low-temperature thermodynamics for quantum spin
  chains   We apply the biorthonormal transfer-matrix renormalization group (BTMRG)
[Phys. Rev. E 83, 036702 (2011)] to study low-temperature properties of quantum
spin chains. Simulation on isotropic Heisenberg spin-1/2 chain demonstrates
that the BTMRG outperforms the conventional transfer-matrix renormalization
group (TMRG) by successfully accessing far lower temperature unreachable by
conventional TMRG, while retaining the same level of accuracy. The power of the
method is further illustrated by the calculation of the low-temperature
specific heat for a frustrated spin chain.

17
The categories of this paper are: q-fin
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The categories of this paper are: nucl-ex
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The categories of this paper are: chao-dyn
2
The categories of this paper are: math
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The categories of this paper are: dg-ga
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The categories of this paper are: math-ph
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The categories of this paper are: eess
35
The categories of this paper are: mtrl-th
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The categories of this paper are: cmp-lg
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The categories of this paper are: funct-an
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The categories of this paper are: q-alg
9
The categories of this paper are: nlin
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The categories of this paper are: adap-org
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The categories of this paper are: atom-ph
10
The categories of this paper are: q-bio
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The categories of this paper are: comp-gas