Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Bubble Baryogenesis   We propose an alternative mechanism of baryogenesis in which a scalar baryon
undergoes a percolating first-order phase transition in the early Universe. The
potential barrier that divides the phases contains explicit B and CP violation
and the corresponding instanton that mediates decay is therefore asymmetric.
The nucleation and growth of these asymmetric bubbles dynamically generates
baryons, which thermalize after percolation; bubble collision dynamics can also
add to the asymmetry yield. We present an explicit toy model that undergoes
bubble baryogenesis, and numerically study the evolution of the baryon
asymmetry through bubble nucleation and growth, bubble collisions, and washout.
We discuss more realistic constructions, in which the scalar baryon and its
potential arise amongst the color-breaking minima of the MSSM, or in the
supersymmetric neutrino seesaw mechanism. Phenomenological consequences, such
as gravitational waves, and possible applications to asymmetric dark-matter
generation are also discussed.

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The categories of this paper are: physics
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The categories of this paper are: atom-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-th
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The categories of this paper are: plasm-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: solv-int
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The categories of this paper are: dg-ga
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The categories of this paper are: quant-ph
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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: econ
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The categories of this paper are: acc-phys
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The categories of this paper are: q-fin
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The categories of this paper are: adap-org
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The categories of this paper are: hep-ex