Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Josephson tunnelling of a phase-imprinted Bose-Einstein condensate in a
  time-dependent double-well potential   This paper discusses the feasibility of experimental control of the flow
direction of atomic Bose-Einstein condensates in a double-well potential using
phase-imprinting. The flow is induced by the application of a time-dependent
potential gradient, providing a clear signature of macroscopic quantum
tunneling in atomic condensates. By studying both initial state preparation and
subsequent tunneling dynamics we find the parameters to optimise the phase
induced Josephson current. We find that the effect is largest for condensates
up to a few thousand atoms, and is only weakly-dependent on trap geometry.

29
The categories of this paper are: funct-an
30
The categories of this paper are: q-alg
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
34
The categories of this paper are: chem-ph
33
The categories of this paper are: plasm-ph
16
The categories of this paper are: stat
2
The categories of this paper are: math
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
6
The categories of this paper are: astro-ph
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex
13
The categories of this paper are: quant-ph
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat