Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Domain Wall in the Spin-S Quantum Ising Chain   Domain walls in the spin S quantum Ising chain at zero temperature are
considered. Quantum effects prevent the walls from being sharp and delocalize
the exact eigenstates. The absence of a characteristic length of the domain
walls is reflected in the finite-size scaling of the spectrum of the
Hamiltonian.

15
The categories of this paper are: nucl-ex
24
The categories of this paper are: dg-ga
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
29
The categories of this paper are: funct-an
7
The categories of this paper are: hep-th
14
The categories of this paper are: math-ph
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
9
The categories of this paper are: nlin
19
The categories of this paper are: eess
5
The categories of this paper are: gr-qc
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg