Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Holographic Study of the $a$-theorem and RG Flow in General Quadratic
  Curvature Gravity   We use the holographic language to show the existence of the $a$-theorem for
even dimensional CFTs, dual to the AdS space in general quadratic curvature
gravity. We find the Wess-Zumino action which is originated from the
spontaneous breaking of the conformal symmetry in $d\leq 8$, by using a radial
cut-off near the AdS boundary. We also study the RG flow and (average) null
energy condition in the space of the couplings of theory. In a simple toy
model, we find the regions where this holographic RG flow has a monotonic
decreasing behavior.

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The categories of this paper are: cmp-lg
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The categories of this paper are: math-ph
26
The categories of this paper are: bayes-an
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
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The categories of this paper are: plasm-ph
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The categories of this paper are: stat
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The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: solv-int
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The categories of this paper are: funct-an
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The categories of this paper are: q-alg
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The categories of this paper are: nlin
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The categories of this paper are: patt-sol
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The categories of this paper are: alg-geom