Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Gibbs entropy from entanglement in electric quenches   In quantum electrodynamics with charged chiral fermions, a background
electric field is the source of the chiral anomaly which creates a chirally
imbalanced state of fermions. This chiral state is realized through the
production of entangled pairs of right-moving fermions and left-moving
antifermions (or vice versa, depending on the orientation of the electric
field). Here we show that the statistical Gibbs entropy associated with these
pairs is equal to the entropy of entanglement between the right-moving
particles and left-moving antiparticles. We then derive an asymptotic expansion
for the entanglement entropy in terms of the cumulants of the multiplicity
distribution of produced particles and explain how to re-sum this asymptotic
expansion. Finally, we study the time dependence of the entanglement entropy in
a specific time-dependent pulsed background electric field, the so-called
"Sauter pulse", and illustrate how our re-summation method works in this
specific case. We also find that short pulses (such as the ones created by high
energy collisions) result in an approximately thermal distribution for the
produced particles.

23
The categories of this paper are: solv-int
1
The categories of this paper are: cs
5
The categories of this paper are: gr-qc
17
The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
6
The categories of this paper are: astro-ph
9
The categories of this paper are: nlin
10
The categories of this paper are: q-bio
19
The categories of this paper are: eess
31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
35
The categories of this paper are: mtrl-th
36
The categories of this paper are: cmp-lg
3
The categories of this paper are: physics