Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Constraints on moduli cosmology from the production of dark matter and
  baryon isocurvature fluctuations   We set constraints on moduli cosmology from the production of dark matter --
radiation and baryon -- radiation isocurvature fluctuations through modulus
decay, assuming the modulus remains light during inflation. We find that the
moduli problem becomes worse at the perturbative level as a significant part of
the parameter space m_\sigma (modulus mass) -- \sigma_{inf} (modulus vev at the
end of inflation) is constrained by the non-observation of significant
isocurvature fluctuations. We discuss in detail the evolution of the modulus
vev and perturbations, in particular the consequences of Hubble scale
corrections to the modulus potential and the stochastic motion of the modulus
during inflation. We show, in particular, that a high modulus mass scale
m_\sigma > 100 TeV, which allows the modulus to evade big-bang nucleosynthesis
constraints is strongly constrained at the perturbative level. We find that
generically, solving the moduli problem requires the inflationary scale to be
much smaller than 10^{13} GeV.

19
The categories of this paper are: eess
18
The categories of this paper are: econ
31
The categories of this paper are: ao-sci
28
The categories of this paper are: alg-geom
20
The categories of this paper are: acc-phys
24
The categories of this paper are: dg-ga
36
The categories of this paper are: cmp-lg
26
The categories of this paper are: bayes-an
16
The categories of this paper are: stat
4
The categories of this paper are: cond-mat
27
The categories of this paper are: comp-gas
21
The categories of this paper are: adap-org
12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph
13
The categories of this paper are: quant-ph