Macroscopic Superposition of Ultracold Atoms with Orbital Degrees of Freedom

Details Macroscopic Superposition of Ultracold Atoms with Orbital Degrees of Freedom Macroscopic Superposition of Ultracold Atoms with Orbital Degrees of Freedom

2010-09-23

arxiv.org/abs/1009.4514v3

Physical Review A 83, 043612 (2011)

Physics

Condensed Matter

Quantum Gases

21 pages, 9 figures

Scientific paper

10.1103/PhysRevA.83.043612

We introduce higher dimensions into the problem of Bose-Einstein condensates in a double-well potential, taking into account orbital angular momentum. We completely characterize the eigenstates of this system, delineating new regimes via both analytical high-order perturbation theory and numerical exact diagonalization. Among these regimes are mixed Josephson- and Fock-like behavior, crossings in both excited and ground states, and shadows of macroscopic superposition states.

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