Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Semiclassical cosmology with back reaction: the Friedmann-Schrodinger
  equation and inflation   We propose and study a semi-classical cosmological system akin to the
Newton-Schr\"odinger equation where matter field evolution is determined by
time dependent Schr\"odinger equation. The resulting dynamics is one where the
scale factor self-consistently informs the quantum evolution of the scalar
field wave function via the Friedmann equation. We study various potentials,
and show that for each case, inflation arises naturally, without fine-tuning,
for arbitrary initial wave functions for the scalar field. Furthermore, due to
zero-point quantum fluctuations of the scalar field, the equation of state
$P=-\rho$ arises dynamically at late times for all initial states and
potentials.

23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat
10
The categories of this paper are: q-bio
32
The categories of this paper are: atom-ph
9
The categories of this paper are: nlin
17
The categories of this paper are: q-fin
1
The categories of this paper are: cs
0
The categories of this paper are: hep-ph
35
The categories of this paper are: mtrl-th
30
The categories of this paper are: q-alg
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
25
The categories of this paper are: patt-sol