Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Finite temperature phase diagram of ultrathin magnetic films without
  external fields   We analyze the finite temperature phase diagram of ultrathin magnetic films
by introducing a mean field theory, valid in the low anisotropy regime, i.e.,
close to de Spin Reorientation Transition. The theoretical results are compared
with Monte Carlo simulations carried out on a microscopic Heisenberg model.
Connections between the finite temperature behavior and the ground state
properties of the system are established. Several properties of the stripes
pattern, such as the presence of canted states, the stripes width variation
phenomenon and the associated magnetization profiles are also analyzed.

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The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
33
The categories of this paper are: plasm-ph
16
The categories of this paper are: stat
23
The categories of this paper are: solv-int
21
The categories of this paper are: adap-org
7
The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom
6
The categories of this paper are: astro-ph
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
17
The categories of this paper are: q-fin
13
The categories of this paper are: quant-ph
5
The categories of this paper are: gr-qc
2
The categories of this paper are: math
27
The categories of this paper are: comp-gas