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Observation of spin-exchange dynamics between itinerant and localized atoms
Koki Ono, Yoshiki Amano, Toshiya Higomoto +2
We report on the observation of the spin-exchange dynamics of atoms in the ground state and in the metastable state . We implem…
Observation of antiferromagnetic correlations in an ultracold SU() Hubbard model
Shintaro Taie, Eduardo Ibarra-García-Padilla, Naoki Nishizawa +6
Mott insulators are paradigms of strongly correlated physics, giving rise to phases of matter with novel and hard-to-explain properties. Extending the typical SU(2) symmetry of Mot…
SU(3) truncated Wigner approximation for strongly interacting Bose gases
Kazuma Nagao, Yosuke Takasu, Yoshiro Takahashi +1
We develop and utilize the SU(3) truncated Wigner approximation (TWA) in order to analyze far-from-equilibrium quantum dynamics of strongly interacting Bose gases in an optical lat…
Competition and interplay between topology and quasi-periodic disorder in Thouless pumping of ultracold atoms
Shuta Nakajima, Nobuyuki Takei, Keita Sakuma +3
Robustness against perturbations lies at the heart of topological phenomena. If, however, a perturbation such as disorder becomes dominant, it may cause a topological phase transit…
Tools for quantum simulation with ultracold atoms in optical lattices
Florian Schäfer, Takeshi Fukuhara, Seiji Sugawa +2
After many years of development of the basic tools, quantum simulation with ultracold atoms has now reached the level of maturity where it can be used to investigate complex quantu…
Flat band induced non-Fermi liquid behavior of multicomponent fermions
Pramod Kumar, Sebastiano Peotta, Yosuke Takasu +2
We investigate multicomponent fermions in a flat band and predict experimental signatures of non-Fermi liquid behavior. We use dynamical mean-field theory to obtain the density, do…