Manipulating the rotational properties of a two-component Bose gas
J. Christensson (1), S. Bargi (1), K. Karkkainen (1), Y. Yu (1), G. M., Kavoulakis (1), M. Manninen (2), and S. M. Reimann (1) ((1) LTH, Lund, (2), Jyvaskyla)
TL;DR
This paper investigates the rotational behavior of a two-component Bose-Einstein condensate, revealing multi-quantized vortices, absence of persistent currents, and a simple order parameter structure across various angular momenta.
Contribution
It demonstrates the existence of multi-quantized vortices and the simple form of the order parameter in a two-component Bose gas under rotation, highlighting unique rotational properties.
Findings
Presence of multi-quantized vortices due to interatomic interactions
Absence of persistent currents in the system
Simple structure of the order parameter across angular momenta
Abstract
A rotating, two-component Bose-Einstein condensate is shown to exhibit vortices of multiple quantization, which are possible due to the interatomic interactions between the two species. Also, persistent currents are absent in this system. Finally, the order parameter has a very simple structure for a range of angular momenta.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Strong Light-Matter Interactions · Quantum Information and Cryptography