Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Sphaleron of a 4 dimensional SO(4) Higgs model   We construct the finite energy path between topologically distinct vacua of a
4 dimensional SO(4) Higgs model which is known to support an instanton, and
show that there is a sphaleron with Chern-Simons number N_CS=1/2 at the top of
the energy barrier. This is carried out using the original geometric loop
construction of Manton.

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The categories of this paper are: nlin
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The categories of this paper are: chao-dyn
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The categories of this paper are: math-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: alg-geom
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The categories of this paper are: cs
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The categories of this paper are: atom-ph
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The categories of this paper are: q-alg
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The categories of this paper are: comp-gas
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The categories of this paper are: chem-ph
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The categories of this paper are: stat
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The categories of this paper are: hep-lat
29
The categories of this paper are: funct-an