Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Controlling dynamical entanglement in a Josephson tunneling junction   We analyze the evolution of an entangled many-body state in a Josephson
tunneling junction. A N00N state, which is a superposition of two complementary
Fock states, appears in the evolution with sufficient probability only for a
moderate many-body interaction on an intermediate time scale. This time scale
is inversely proportional to the tunneling rate. Interaction between particles
supports entanglement: The probability for creating an entangled state decays
exponentially with the number of non-interacting particles, whereas it decays
only like the inverse square root of the number of interacting particles.

12
The categories of this paper are: nucl-th
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
29
The categories of this paper are: funct-an
22
The categories of this paper are: chao-dyn
25
The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
3
The categories of this paper are: physics
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
35
The categories of this paper are: mtrl-th
21
The categories of this paper are: adap-org
31
The categories of this paper are: ao-sci
19
The categories of this paper are: eess
16
The categories of this paper are: stat
32
The categories of this paper are: atom-ph