193 citations · 338 across the 8 of their papers we have counts for
8 papers
Preparation of the spin-Mott state: a spinful Mott insulator of repulsively bound pairs
Julius de Hond, Jinggang Xiang, Woo Chang Chung +5
We observe and study a special ground state of bosons with two spin states in an optical lattice: the spin-Mott insulator, a state that consists of repulsively bound pairs which is…
Tunable Single-Ion Anisotropy in Spin-1 Models Realized with Ultracold Atoms
Woo Chang Chung, Julius de Hond, Jinggang Xiang +2
Mott insulator plateaus in optical lattices are a versatile platform to study spin physics. Using sites occupied by two bosons with an internal degree of freedom, we realize a unia…
Coherence Times of Bose-Einstein Condensates beyond the Shot-Noise Limit via Superfluid Shielding
William Cody Burton, Colin J. Kennedy, Woo Chang Chung +3
We demonstrate a new way to extend the coherence time of separated Bose-Einstein condensates that involves immersion into a superfluid bath. When both the system and the bath have…
Observation of Bose-Einstein Condensation in a Strong Synthetic Magnetic Field
Colin J. Kennedy, William Cody Burton, Woo Chang Chung +1
Extensions of Berry's phase and the quantum Hall effect have led to the discovery of new states of matter with topological properties. Traditionally, this has been achieved using g…
Competition between phase separation and "classical" intermediate valence in an exactly solved model
Woonki Chung, J. K. Freericks
The exact solution of the spin-1/2 Falicov-Kimball model on an infinite-coordination Bethe lattice is analyzed in the regime of ``classical'' intermediate valence. We find (i) eith…
Vertex-corrected perturbation theory for the electron-phonon problem with non-constant density of states
J. K. Freericks, V. Zlatic', Woonki Chung +1
A series of weak-coupling perturbation theories which include the lowest-order vertex corrections are applied to the attractive Holstein model in infinite dimensions. The approxima…
Charge-transfer metal-insulator transitions in the spin-one-half Falicov-Kimball model
Woonki Chung, J. K. Freericks
The spin-one-half Falicov-Kimball model is solved exactly on an infinite-coordination-number Bethe lattice in the thermodynamic limit. This model is a paradigm for a charge-transfe…
Gap States in Dilute Magnetic Alloy Superconductors
Woonki Chung, Mark Jarrell
We study states in the superconducting gap induced by magnetic impurities using self-consistent quantum Monte Carlo with maximum entropy and formally exact analytic continuation me…