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Black soliton in a quasi-one-dimensional trapped fermion-fermion mixture

✍ Scribed by S. K. Adhikari

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 279 KB
Volume: 3
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.200610050

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✦ Synopsis

Employing a time-dependent mean-field-hydrodynamic model we study the generation of black solitons in a degenerate fermion-fermion mixture in a cigar-shaped geometry using variational and numerical solutions. The black soliton is found to be the first stationary vibrational excitation of the system and is considered to be a nonlinear continuation of the vibrational excitation of the harmonic oscillator state. We illustrate the stationary nature of the black soliton, by studying different perturbations on it after its formation.

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Dissipation-managed soliton in a quasi-o

Dissipation-managed soliton in a quasi-one-dimensional Bose-Einstein condensate

✍ S. K. Adhikari 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 144 KB

We use the time-dependent mean-field Gross-Pitaevskii equation to study the formation of a dynamically-stabilized dissipation-managed bright soliton in a quasi-one-dimensional Bose-Einstein condensate (BEC). Because of three-body recombination of bosonic atoms to molecules, atoms are lost (dissipate