Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Electroweak Strings, Zero Modes and Baryon Number   The Dirac equations for leptons and quarks in the background of an
electroweak $Z-$string have zero mode solutions. If two loops of electroweak
string are linked, the zero modes on one of the loops interacts with the other
loop via an Aharanov-Bohm interaction. The effects of this interaction are
briefly discussed and it is shown that the fermions induce a baryon number on
linked loops of $Z-$string. (Submitted to Proceedings of "Trends in
Astrophysics" Conference, Stockholm, 1994.)

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The categories of this paper are: q-fin
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The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
10
The categories of this paper are: q-bio
2
The categories of this paper are: math
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
12
The categories of this paper are: nucl-th
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The categories of this paper are: eess
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The categories of this paper are: cmp-lg
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The categories of this paper are: patt-sol
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The categories of this paper are: q-alg
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The categories of this paper are: adap-org