Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Statistical QCD with non-positive measure   In this talk we discuss the microscopic limit of QCD at nonzero chemical
potential. In this domain, where the QCD partition function is under complete
analytical control, we uncover an entirely new link between the spectral
density of the Dirac operator and the chiral condensate: violent complex
oscillations on the microscopic scale give rise to the discontinuity of the
chiral condensate at zero quark mass. We first establish this relation exactly
within a random matrix framework and then analyze the importance of the
individual modes by Fourier analysis.

24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
37
The categories of this paper are: supr-con
18
The categories of this paper are: econ
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
22
The categories of this paper are: chao-dyn
19
The categories of this paper are: eess
10
The categories of this paper are: q-bio
2
The categories of this paper are: math
23
The categories of this paper are: solv-int
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
0
The categories of this paper are: hep-ph
9
The categories of this paper are: nlin