Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Full decoherence induced by local fields in open spin chains with strong
  boundary couplings   We investigate an open $XYZ$ spin $1/2$ chain driven out of equilibrium by
boundary reservoirs targeting different spin orientations, aligned along the
principal axes of anisotropy. We show that by tuning local magnetic fields,
applied to spins at sites near the boundaries, one can change any
nonequilibrium steady state to a fully uncorrelated Gibbsian state at infinite
temperature. This phenomenon occurs for strong boundary coupling and on a
critical manifold in the space of the fields amplitudes. The structure of this
manifold depends on the anisotropy degree of the model and on the parity of the
chain size.

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The categories of this paper are: nlin
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The categories of this paper are: funct-an
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The categories of this paper are: gr-qc
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The categories of this paper are: hep-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: astro-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: nucl-ex
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The categories of this paper are: supr-con
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The categories of this paper are: q-bio
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The categories of this paper are: stat
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The categories of this paper are: q-fin
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The categories of this paper are: hep-lat
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The categories of this paper are: solv-int
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The categories of this paper are: nucl-th
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The categories of this paper are: physics