Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Decay of Quantum Correlations in a Lattice by Heat Kernel Methods   We prove some estimations of the correlation of two local observables in
quantum spin systems (with Schr\"odinger equations) at large temperature. For
that, we describe the heat kernel of the Hamiltonian for a finite subset of the
lattice, allowing the dimension to tend to infinity. This is an improved
version of an earlier unpublished manuscript.

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The categories of this paper are: q-alg
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The categories of this paper are: hep-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: solv-int
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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: cs
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The categories of this paper are: cmp-lg
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The categories of this paper are: bayes-an
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The categories of this paper are: patt-sol
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The categories of this paper are: chao-dyn
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The categories of this paper are: alg-geom
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The categories of this paper are: comp-gas
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The categories of this paper are: funct-an
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The categories of this paper are: hep-ph
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The categories of this paper are: q-bio