Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On-Mass-Shell Gaugino Condensation in Z_{N} Orbifold Compactifications   We discuss non-perturbative aspects of string effective field theories with
N=1 supersymmetry in four dimensions. By the use of a scalar potential, which
is on-shell invariant under the supersymmetric duality of the dilaton, we study
gaugino condensation in (2,2) symmetric Z_{N} orbifold compactifications. The
duality under consideration relates a two-form antisymmetric tensor to a
pseudoscalar. We show, that our approach is independent of the
superfield-representation of the dilaton and preserves the U(1)_{PQ}
Peccei-Quinn symmetry exactly.

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The categories of this paper are: patt-sol
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The categories of this paper are: q-bio
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The categories of this paper are: physics
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The categories of this paper are: cmp-lg
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The categories of this paper are: q-fin
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The categories of this paper are: gr-qc
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The categories of this paper are: adap-org
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The categories of this paper are: bayes-an
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The categories of this paper are: quant-ph
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The categories of this paper are: q-alg
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The categories of this paper are: stat
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The categories of this paper are: hep-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: solv-int
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The categories of this paper are: cond-mat