Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Dirichlet boundary condition for the Lee-Wick-like scalar model   Lee-Wick-like scalar model near a Dirichlet plate is considered in this work.
The modified propagator for the scalar field due to the presence of a Dirichlet
boundary is computed, and the interaction between the plate and a point-like
scalar charge is analysed. The non-validity of the image method is investigated
and the results are compared with the corresponding ones obtained for the
Lee-Wick gauge field and for the standard Klein-Gordon field.

23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
17
The categories of this paper are: q-fin
29
The categories of this paper are: funct-an
6
The categories of this paper are: astro-ph
18
The categories of this paper are: econ
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
5
The categories of this paper are: gr-qc
24
The categories of this paper are: dg-ga
27
The categories of this paper are: comp-gas
3
The categories of this paper are: physics
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph