Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Dynamics of a quantum spin liquid beyond integrability $-$ the
  Kitaev-Heisenberg-$\Gamma$ model in an augmented parton mean-field theory   We present an augmented parton mean-field theory which (i) reproduces the
$exact$ ground state, spectrum, and dynamics of the quantum spin liquid phase
of Kitaev's honeycomb model; and (ii) is amenable to the inclusion of
integrability breaking terms, allowing a perturbation theory from a controlled
starting point. Thus, we exemplarily study dynamical spin correlations of the
honeycomb Kitaev quantum spin liquid within the $K-J-\Gamma$ model which
includes Heisenberg and symmetric-anisotropic (pseudo-dipolar) interactions.
This allows us to trace changes of the correlations in the regime of slowly
moving fluxes, where the theory captures the dominant deviations when
integrability is lost. These include an asymmetric shift together with a
broadening of the dominant peak in the response as a function of frequency; the
generation of further-neighbour correlations and their structure in real- and
spin-space; and a resulting loss of an approximate rotational symmetry of the
structure factor in reciprocal space. We discuss the limitations of this
approach, and also view the neutron scattering experiments on the putative
proximate quantum spin liquid material, $\alpha$-RuCl$_3$, in the light of the
results from this extended parton theory.

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The categories of this paper are: plasm-ph
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The categories of this paper are: math-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: hep-th
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The categories of this paper are: atom-ph
8
The categories of this paper are: hep-ex
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The categories of this paper are: comp-gas
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The categories of this paper are: gr-qc
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: dg-ga
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The categories of this paper are: stat
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The categories of this paper are: q-bio
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The categories of this paper are: q-fin
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The categories of this paper are: funct-an