In this work, we study the out-of-equilibrium many-body tunneling dynamics of a Bose-Einstein condensate in a two-dimensional radial double well. We investigate the impact of interparticle repulsion and compare the influence of angular momentum on the many-body tunneling dynamics. Accurate many-body dynamics are obtained by solving the full many-body Schrödinger equation. We demonstrate that macroscopic vortex states of definite total angular momentum indeed tunnel and that, even in the regime of weak repulsions, a many-body treatment is necessary to capture the correct tunneling dynamics. As a general rule, many-body effects set in at weaker interactions when the tunneling system carries angular momentum.
|Number of pages||10|
|Journal||Physical Review A - Atomic, Molecular, and Optical Physics|
|State||Published - 27 Oct 2015|
Bibliographical notePublisher Copyright:
© 2015 American Physical Society.
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics