Publication:
Tunneling of condensate magnetization in a double-well potential

Thumbnail Image

Departments

School / College / Institute

Program

KU Authors

Co-Authors

Zhang, M.
You, L.

Publication Date

Language

Embargo Status

NO

Journal Title

Journal ISSN

Volume Title

Alternative Title

Abstract

We study quantum dynamical properties of a spin-1 atomic Bose-Einstein condensate in a double-well potential. Adopting a mean field theory and single spatial mode approximation, we characterize our model system as two coupled spins. For certain initial states, we find full magnetization oscillations between wells not accompanied by mass (or atom numbers) exchange. We identify dynamic regimes of collective spin variables arising from nonlinear self-interactions that are different from the usual Josephson oscillations. We also discuss magnetization beats and incomplete oscillations of collective spin variables other than the magnetization. Our study points to an alternative approach to observe coherent tunnelling of a condensate through a (spatial) potential barrier.

Source

Publisher

American Physical Society (APS)

Subject

Optics, Physics

Citation

Has Part

Source

Physical Review A

Book Series Title

Edition

DOI

10.1103/PhysRevA.71.053616

item.page.datauri

Link

Rights

Copyrights Note

Endorsement

Review

Supplemented By

Referenced By

0

Views

2

Downloads

View PlumX Details