Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Emergence of spacetime dynamics in entropy corrected and braneworld
  models   A very interesting new proposal on the origin of the cosmic expansion was
recently suggested by Padmanabhan [arXiv:1206.4916]. He argued that the
difference between the surface degrees of freedom and the bulk degrees of
freedom in a region of space drives the accelerated expansion of the universe,
as well as the standard Friedmann equation through relation $% \triangle
V=\triangle t(N_{\mathrm{sur}}-N_{\mathrm{bulk}})$. In this paper, we first
present the general expression for the number of degrees of freedom on the
holographic surface, $N_{\mathrm{sur}}$, using the general entropy corrected
formula $S=\frac{A}{4 L_{p}^2}+s(A)$. Then, as two example, by applying the
Padmanabhan's idea we extract the corresponding Friedmann equations in the
presence of power-law and logarithmic correction terms in the entropy. We also
extend the study to RS II and DGP branworld models and derive successfully the
correct form of the Friedmann equations in these theories. Our study further
supports the viability of Padmanabhan's proposal.

23
The categories of this paper are: solv-int
27
The categories of this paper are: comp-gas
22
The categories of this paper are: chao-dyn
4
The categories of this paper are: cond-mat
10
The categories of this paper are: q-bio
15
The categories of this paper are: nucl-ex
6
The categories of this paper are: astro-ph
2
The categories of this paper are: math
37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
21
The categories of this paper are: adap-org
34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an