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Class of compact entities in three-component Bose-Einstein condensates

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Szańkowski, Piotr, Trippenbach, Marek, Infeld, Eryk and Rowlands, G. (George). (2011) Class of compact entities in three-component Bose-Einstein condensates. Physical Review A, Volume 83 (Number 1). article no. 013626 . ISSN 1050-2947

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Official URL: http://dx.doi.org/10.1103/PhysRevA.83.013626

Abstract

We introduce a class of soliton like entities in spinor three-component Bose-Einstein condensates. These entities generalize well-known solitons. For special values of coupling constants, the system considered is completely integrable and supports N soliton solutions. The one-soliton solutions can be generalized to systems with different values of coupling constants. However, they no longer interact elastically. When two so-generalized solitons collide, a spin component oscillation is observed in both emerging entities. We propose to call these new found entities oscillatons. They propagate without dispersion and retain their character after collisions. We derive an exact mathematical model for oscillatons and show that the well-known one-soliton solutions are a particular case.

Item Type:

Journal Article

Subjects:

Q Science > QC Physics

Divisions:

Faculty of Science > Physics

Library of Congress Subject Headings (LCSH):

Solitons, Bose-Einstein condensation

Journal or Publication Title:

Physical Review A

Publisher:

American Physical Society