Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Contribution of bouncing gravitons to the energy-momentum tensor   In a model of 3-brane with matter embedded in 5D space-time conditions for
gravitons emitted from the brane to the bulk to return back to the brane are
found. A method to calculate contribution to the energy-momentum tensor from
multiple bouncing gravitons is developed. Contribution to the energy momentum
tensor from gravitons of the first bounce is calculated. The result is much
smaller than those obtained previously.

9
The categories of this paper are: nlin
2
The categories of this paper are: math
4
The categories of this paper are: cond-mat
26
The categories of this paper are: bayes-an
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
31
The categories of this paper are: ao-sci
29
The categories of this paper are: funct-an
10
The categories of this paper are: q-bio
18
The categories of this paper are: econ
17
The categories of this paper are: q-fin
8
The categories of this paper are: hep-ex
0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics