Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: CMB Signatures of a Primordial Magnetic Field   A primordial stochastic magnetic field will induce temperature and
polarization fluctuations in the cosmic microwave background. We outline a
calculation of the resulting fluctuation power spectra and present numerical
results.

26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
24
The categories of this paper are: dg-ga
27
The categories of this paper are: comp-gas
37
The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
20
The categories of this paper are: acc-phys
19
The categories of this paper are: eess
11
The categories of this paper are: hep-lat
15
The categories of this paper are: nucl-ex
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
16
The categories of this paper are: stat