Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Relaxation of spherical stellar systems   10,000 simulations of 1000-particle realisations of the same cluster are
computed by direct force summation. Over three crossing times the original
Poisson noise is amplified more than tenfold by self-gravity. The cluster's
fundamental dipole mode is strongly excited by Poisson noise, and this mode
makes a major contribution to driving diffusion of stars in energy. The
diffusive flow through action space is computed for the simulations and
compared with the predictions of both local-scattering theory and the
Balescu-Lenard (BL) equation. The predictions of local-scattering theory are
qualitatively wrong because the latter neglects self-gravity. These results
imply that local-scattering theory is of little value. Future work on cluster
evolution should employ either N-body simulation or the BL equation. However,
significant code development will be required to make use of the BL equation
practicable.

36
The categories of this paper are: cmp-lg
17
The categories of this paper are: q-fin
24
The categories of this paper are: dg-ga
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
26
The categories of this paper are: bayes-an
23
The categories of this paper are: solv-int
11
The categories of this paper are: hep-lat
7
The categories of this paper are: hep-th
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
9
The categories of this paper are: nlin
4
The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex