Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Noncommutative Synchrotron   We study the departures from the classical synchrotron radiation due to
noncommutativity of coordinates. We find that these departures are significant,
but do not give tight bounds on the magnitude of the noncommutative parameter.
On the other hand, these results could be used in future investigations in this
direction. We also find an acausal behavior for the electromagnetic field due
to the presence in the theory of two different speeds of light. This effect
naturally arises even if only \theta^{12} is different from zero.

12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int
29
The categories of this paper are: funct-an
19
The categories of this paper are: eess
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex
9
The categories of this paper are: nlin
14
The categories of this paper are: math-ph
17
The categories of this paper are: q-fin
4
The categories of this paper are: cond-mat
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
3
The categories of this paper are: physics
36
The categories of this paper are: cmp-lg