Tag Kaci Kechadi

08/11/2019
PhD thesis

Theoretical analysis of the excitations and instabilities of spinor dipolar Bose-Einstein condensates

Kaci Kechadi

French version: Analyse théorique des excitations et des instabilités des condensats de Bose-Einstein spinoriels dipolaires Dans les condensats de Bose-Einstein spinoriels (CBES), plusieurs états de spin coexistent, donnant lieu à des dynamiques pilotées par des interactions dépendantes du spin (interactions…

26/04/2018
Article, Chromium, Theory

Collective spin modes of a trapped quantum ferrofluid

Bruno Laburthe-Tolra Etienne Maréchal Kaci Kechadi Laurent Vernac Lucas Gabardos Olivier Gorceix Paolo Pedri Steven Lepoutre

We report on the observation of a collective spin mode in a spinor Bose-Einstein condensate.
arXiv:1804.10254 (2018) / Phys. Rev. Lett. 121, 013201 (2018)

23/05/2017
Article, Chromium, Theory

Spin mixing and protection of ferromagnetism in a spinor dipolar condensate

Ana Maria Rey Bihui Zhu Bruno Laburthe-Tolra Bruno Naylor Kaci Kechadi L. Isaev Laurent Vernac Lucas Gabardos Paolo Pedri Steven Lepoutre

We study spin mixing dynamics in a chromium dipolar Bose-Einstein condensate, after tilting the atomic spins by an angle 𝜃 with respect to the magnetic field.
arXiv:1705.08358 (2017) / Phys. Rev. A 97, 023610 (2018)