Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Mechanism of Electron Spin Relaxation in Spiral Magnetic Structures   Spin dynamics in spiral magnetic structures has been investigated. It has
been shown that the internal spatially dependent magnetic field in such
structures produces a new mechanism of spin relaxation.

1
The categories of this paper are: cs
19
The categories of this paper are: eess
6
The categories of this paper are: astro-ph
5
The categories of this paper are: gr-qc
34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
32
The categories of this paper are: atom-ph
13
The categories of this paper are: quant-ph
12
The categories of this paper are: nucl-th
9
The categories of this paper are: nlin
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int