期刊
PHYSICAL REVIEW LETTERS
卷 128, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.128.093401
关键词
magnetic polarons
资金
- NSF through the Center for Ultracold Atoms [1506369]
- ARO-MURI Non-equilibrium Many-Body Dynamics [W911NF14-1-0003]
- AFOSR-MURI Quantum Phases of Matter [FA9550-14-1-0035]
- ONR [N00014-17-1-2253]
- Samsung Scholarship
This study examines a special ground state of bosons with two spin states in an optical lattice - the spinMott insulator. This state is composed of repulsively bound pairs and is insulating for both spin and charge transport. One of the decay regimes observed exhibits protection by the pairing gap.
We observe and study a special ground state of bosons with two spin states in an optical lattice: the spinMott insulator, a state that consists of repulsively bound pairs that is insulating for both spin and charge transport. Because of the pairing gap created by the interaction anisotropy, it can be prepared with low entropy and can serve as a starting point for adiabatic state preparation. We find that the stability of the spinMott state depends on the pairing energy, and observe two qualitatively different decay regimes, one of which exhibits protection by the gap.
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