Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Phase diagram for charged scalars in a magnetic field at finite
  temperature   We investigate the nature of the phase transition for charged scalars in the
presence of a magnetic background for a theory with spontaneous symmetry
breaking. We perform a careful treatment of the negative mass squared as a
function of the order parameter and present a suitable method to obtain
magnetic and thermal corrections up to ring order for the high temperature
limit and the case where the magnetic field strength is larger than the
absolute value of the square of the mass parameter. We show that for a given
value of the self-coupling, the phase transition is first order for a small
magnetic field strength and becomes second order as this last grows. We also
show that the critical temperature in the presence of the magnetic field is
always below the critical temperature for the case where the field is absent.

25
The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
27
The categories of this paper are: comp-gas
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
16
The categories of this paper are: stat
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
20
The categories of this paper are: acc-phys
7
The categories of this paper are: hep-th
32
The categories of this paper are: atom-ph
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat