Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Dynamical formation of polarons in a Bose-Einstein condensate: A
  variational approach   We investigate the non-equilibrium dynamics of an impurity coupled to a
Bose-Einstein condensate, systematically compared with recent experimental
results [M. G. Skou et al., Nat. Phys. (2021)]. The dynamics of the impurity is
tracked down by using a time-dependent variational coherent ansatz. For weak
coupling between the impurity and the bath, analytical expressions for the
time-dependent overlap (or contrast) are derived, matching quite well with
previous findings obtained within a master equation approach. For strong
coupling instead, the variational ansatz provides a good quantitative
description of the polaron dynamics, in particular, in signaling the transition
from the few to the many-body correlated regime where polarons are expected to
form.

22
The categories of this paper are: chao-dyn
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
14
The categories of this paper are: math-ph
8
The categories of this paper are: hep-ex
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
36
The categories of this paper are: cmp-lg
28
The categories of this paper are: alg-geom
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat
1
The categories of this paper are: cs
30
The categories of this paper are: q-alg
33
The categories of this paper are: plasm-ph
0
The categories of this paper are: hep-ph