Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Non-Gaussianity in Nonminimally Coupled Scalar Field Theory   We consider the non-Gaussianity of the nonlinear density perturbations in a
single-field inflationary model when a scalar field couples nonminimally with
gravity. Gravity theories with a nonminimal coupling can be transformed into
the Einstein gravity with canonical kinetic terms by using a suitable conformal
transformation. We find that a nonlinear generalization of the gauge invariant
quantity $\zeta_i$ is invariant under the conformal transformation. With the
help of this conformal invariant property, we calculate the non-Gaussianity,
which is characterized by a nonlinear parameter $f_{NL}$, in nonminimal coupled
scalar field theory.

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The categories of this paper are: bayes-an
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The categories of this paper are: nlin
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The categories of this paper are: nucl-ex
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The categories of this paper are: comp-gas
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The categories of this paper are: q-alg
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The categories of this paper are: alg-geom
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The categories of this paper are: cmp-lg
10
The categories of this paper are: q-bio
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The categories of this paper are: funct-an
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The categories of this paper are: mtrl-th
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The categories of this paper are: chem-ph
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The categories of this paper are: q-fin
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The categories of this paper are: econ
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The categories of this paper are: chao-dyn
0
The categories of this paper are: hep-ph
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The categories of this paper are: acc-phys