Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Entanglement negativity after a global quantum quench   We study the time evolution of the logarithmic negativity after a global
quantum quench. In a 1+1 dimensional conformal invariant field theory, we
consider the negativity between two intervals which can be either adjacent or
disjoint. We show that the negativity follows the quasi-particle interpretation
for the spreading of entanglement. We check and generalise our findings with a
systematic analysis of the negativity after a quantum quench in the harmonic
chain, highlighting two peculiar lattice effects: the late birth and the sudden
death of entanglement.

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The categories of this paper are: q-bio
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The categories of this paper are: supr-con
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-ex
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The categories of this paper are: astro-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: dg-ga
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The categories of this paper are: gr-qc
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The categories of this paper are: mtrl-th
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The categories of this paper are: q-fin
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The categories of this paper are: alg-geom
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The categories of this paper are: nlin
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The categories of this paper are: cmp-lg
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The categories of this paper are: econ
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The categories of this paper are: ao-sci
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The categories of this paper are: atom-ph