Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Symplectic ferromagnetism and phase transitions in multi-component
  fermionic systems   In this paper, we study the itinerant ferromagnetic phase in multi-component
fermionic systems with symplectic (Sp(4), or isomorphically SO(5)) symmetry.
Two different microscopic models have been considered and an effective field
theory has been proposed to study the critical behavior of the
nonmagnetism-magnetism phase transition. It has been shown that such systems
exhibit intriguing ferromagnetism and critical behavior that different from
those in spin-$\frac 12$ fermionic systems, or in high-spin systems with SU(N)
symmetry. An extension of our results to higher spin systems with Sp(2N)
symmetry has also been discussed.

17
The categories of this paper are: q-fin
22
The categories of this paper are: chao-dyn
1
The categories of this paper are: cs
3
The categories of this paper are: physics
13
The categories of this paper are: quant-ph
11
The categories of this paper are: hep-lat
21
The categories of this paper are: adap-org
37
The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
26
The categories of this paper are: bayes-an
33
The categories of this paper are: plasm-ph
18
The categories of this paper are: econ
29
The categories of this paper are: funct-an
9
The categories of this paper are: nlin
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph