Conception et réalisation de réseaux optiques pour piéger et manipuler un gaz de Fermi
Master 2 internship (4 months) / Download report
Benjamin PASQUIOU
Optique de haute résolution polychromatique pour une expérience d’atomes froids
Bachelor 3 internship (2 months) / Download report
Dynamics of an itinerant spin-3 atomic dipolar gas in an optical lattice
In this work we report on our investigation of the quantum many-body dynamics of a large ensemble of bosonic magnetic chromium atoms with spin 𝑆=3 in a three-dimensional lattice as a function of lattice depth. Using extensive theory and experimental comparisons, we study the dynamics of the population of the different Zeeman levels and the total magnetization of the gas across the superfluid to the Mott insulator transition.
arXiv:1905.06123 (2019) / Phys. Rev. A 100, 033609 (2019)
Oscillations and decay of superfluid currents in a one-dimensional Bose gas on a ring
We demonstrate coherent manipulation of the nuclear degrees of freedom of ultracold ground-state strontium-87 atoms, thus We study the time evolution of a supercurrent imprinted on a one-dimensional ring of interacting bosons in the presence of a defect created by a localized barrier.
arXiv:1903.09229 (2019) / Phys. Rev. Lett. 123, 195301 (2019)
Fermionic degeneracy
Fermionic degeneracy reached! We now produce 10-component spinor Fermi gases of strontium 87, around half the Fermi temperature.
Seminar: Laboratoire Charles Fabry, Palaiseau
Quantum magnetism with cold atoms: 1) dissipative cooling of spin chains 2) birth of the strontium experiment at LPL
Cooling all external degrees of freedom of optically trapped chromium atoms using gray molasses
We report on a scheme to cool and compress trapped clouds of highly magnetic 52Cr atoms. This scheme combines sequences of gray molasses, which freeze the velocity distribution, and free evolutions in the (close to) harmonic trap, which periodically exchange the spatial and velocity degrees of freedom.
arXiv:1812.09177 (2018) / Phys. Rev. A 99, 023607 (2019)
Conference: Quantum Technologies Conference IX, Gdansk
Dissipative cooling of spin chains by a bath of dipolar particles
New arrival: Pierre Bataille
Welcome to Pierre Bataille, first PhD on the strontium apparatus!
Système d’imagerie par absorption pour une expérience d’atomes froids
Bachelor 3 internship (2 months) / Download report