Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Longitudinal subtleties in diffusive Langevin equations for non-Abelian
  plasmas   Boedeker has recently argued that non-perturbative processes in very high
temperature non-Abelian plasmas (such as electroweak baryon number violation in
the very hot early Universe) can be quantitatively described, to leading
logarithmic accuracy, by a simple diffusive effective theory. Boedeker's
effective theory is intended to describe the long-distance transverse electric
and magnetic fields which are responsible for non-perturbative dynamics. His
effective theory, however, also contains long-wavelength longitudinal electric
fields. We discuss several subtleties in the treatment of longitudinal dynamics
which were not closely examined in Boedeker's original treatment. Somewhat to
our surprise, we find that within its domain of validity Boedeker's effective
theory does correctly describe both longitudinal and transverse fluctuations.
We also show that, as far as the transverse dynamics of interest is concerned,
Boedeker's effective theory could be replaced by a transverse-only theory that
removes the longitudinal dynamics altogether. In the process, we discuss
several interesting aspects of stochastic field theories.

15
The categories of this paper are: nucl-ex
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The categories of this paper are: eess
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
27
The categories of this paper are: comp-gas
30
The categories of this paper are: q-alg
6
The categories of this paper are: astro-ph
2
The categories of this paper are: math
5
The categories of this paper are: gr-qc
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat