Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Evolution of entropic dark energy and its phantom nature   Assuming the form of the entropic dark energy as arises form the surface term
in the Einstein-Hilbert's action, it's evolution were analyzed in an expanding
flat universe. The model parameters were evaluated by constraining model using
the Union data on Type Ia supernovae. We found that the model predicts an early
decelerated phase and a later accelerated phase at the background level. The
evolution of the Hubble parameter, dark energy density, equation of state
parameter and deceleration parameter were obtained. The model is diagnosed with
$Om$ parameter. The model is hardly seems to be supporting the linear
perturbation growth for the structure formation. We also found that the
entropic dark energy shows phantom nature for redshifts $z<0.257.$ During the
phantom epoch, the model predicts big-rip effect at which both the scale factor
of expansion and the dark energy density become infinitely large and the big
rip time is found to be around 36 Giga Years from now.

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The categories of this paper are: q-alg
13
The categories of this paper are: quant-ph
1
The categories of this paper are: cs
31
The categories of this paper are: ao-sci
22
The categories of this paper are: chao-dyn
15
The categories of this paper are: nucl-ex
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The categories of this paper are: funct-an
28
The categories of this paper are: alg-geom
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
2
The categories of this paper are: math
16
The categories of this paper are: stat
26
The categories of this paper are: bayes-an
11
The categories of this paper are: hep-lat