Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Unification with Enlarged Kaluza-Klein Dimensions   In minimal theories with extra spatial dimensions at scales mu_0 much lower
than the conventional GUT scale, unification can give too-large predictions for
alpha_3(M_Z) given alpha_1(M_Z) and alpha_2(M_Z) as empirical input. We
systematically study the effects of adding extra states above the
compactification scale on running of the gauge couplings and find several
simple examples that give unification where all alpha_i(M_Z) are consistent
with low-energy data. We study both the supersymmetric and nonsupersymmetric
unification.

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The categories of this paper are: chao-dyn
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The categories of this paper are: patt-sol
1
The categories of this paper are: cs
29
The categories of this paper are: funct-an
35
The categories of this paper are: mtrl-th
19
The categories of this paper are: eess
27
The categories of this paper are: comp-gas
31
The categories of this paper are: ao-sci
33
The categories of this paper are: plasm-ph
11
The categories of this paper are: hep-lat
3
The categories of this paper are: physics
5
The categories of this paper are: gr-qc
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The categories of this paper are: nucl-th
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The categories of this paper are: math-ph
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The categories of this paper are: q-fin
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The categories of this paper are: adap-org