Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Garrett approximation revisited   Three variants of the Garrett approximation are studied and their accuracy is
analyzed, for symmetric and asymmetric square wells. Quite surprisingly, the
simplest variants are also the most accurate. The applications to quantum
wells, quantum dots and capillary neutron guides are briefly discussed.

30
The categories of this paper are: q-alg
16
The categories of this paper are: stat
2
The categories of this paper are: math
23
The categories of this paper are: solv-int
29
The categories of this paper are: funct-an
31
The categories of this paper are: ao-sci
33
The categories of this paper are: plasm-ph
7
The categories of this paper are: hep-th
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex
0
The categories of this paper are: hep-ph
24
The categories of this paper are: dg-ga
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con