Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Structural information about the $\text{Ar}_6$ cluster with the frozen
  Gaussian imaginary time propagator   A numerically cheap way to obtain structural information about clusters of
rare gas atoms at low temperatures is developed. The semiclassical frozen
Gaussian imaginary time propagator is extended such that it can account for the
mean values of all inter-atomic distances in the cluster and their variances.
To reduce the required numerical effort an approximation for the mean values is
developed which preserves the quality of the results offered by the
semiclassical ansatz. The method is applied to the $\text{Ar}_6$ cluster. It is
found that the cluster dissociates almost in one step to six free atoms when
the temperature is increased. Precursors of the dissociation are only
observable in the distances of the atoms via the appearance of a second isomer.
The process is almost classical. However, the method is able to resolve small
differences in the temperatures at which the dissociation takes place and in
the mean distances of the bound configuration.

33
The categories of this paper are: plasm-ph
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
10
The categories of this paper are: q-bio
1
The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
35
The categories of this paper are: mtrl-th
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
22
The categories of this paper are: chao-dyn
18
The categories of this paper are: econ
28
The categories of this paper are: alg-geom
20
The categories of this paper are: acc-phys
4
The categories of this paper are: cond-mat
2
The categories of this paper are: math
14
The categories of this paper are: math-ph