Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Spreading of correlations and Loschmidt echo after quantum quenches of a
  Bose gas in the Aubry-Andr\'e potential   We study the spreading of density-density correlations and the Loschmidt
echo, after different sudden quenches in an interacting one dimensional Bose
gas on a lattice, also in the presence of a superimposed aperiodic potential.
We use a time dependent Bogoliubov approach to calculate the evolution of the
correlation functions and employ the linked cluster expansion to derive the
Loschmidt echo.

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The categories of this paper are: q-fin
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The categories of this paper are: hep-lat
0
The categories of this paper are: hep-ph
26
The categories of this paper are: bayes-an
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The categories of this paper are: math-ph
15
The categories of this paper are: nucl-ex
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The categories of this paper are: astro-ph
12
The categories of this paper are: nucl-th
1
The categories of this paper are: cs
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The categories of this paper are: hep-th
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The categories of this paper are: adap-org
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The categories of this paper are: stat
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The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
2
The categories of this paper are: math