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Multiparticle interactions for ultracold atoms in optical tweezers: Cyclic ring-exchange terms
Annabelle Bohrdt, Ahmed Omran, Eugene Demler +2
Dominant multi-particle interactions can give rise to exotic physical phases with anyonic excitations and phase transitions without local order parameters. In spin systems with a g…
Revealing Hidden Antiferromagnetic Correlations in Doped Hubbard Chains via String Correlators
Timon A. Hilker, Guillaume Salomon, Fabian Grusdt +5
Topological phases, like the celebrated Haldane phase in spin-1 chains, defy characterization through local order parameters. Instead, non-local string order parameters can be empl…
Spin and Charge Resolved Quantum Gas Microscopy of Antiferromagnetic Order in Hubbard Chains
Martin Boll, Timon A. Hilker, Guillaume Salomon +5
The repulsive Hubbard Hamiltonian is one of the foundational models describing strongly correlated electrons and is believed to capture essential aspects of high temperature superc…
Microscopic Observation of Pauli Blocking in Degenerate Fermionic Lattice Gases
Ahmed Omran, Martin Boll, Timon Hilker +4
The Pauli exclusion principle is one of the most fundamental manifestations of quantum statistics. Here, we report on its local observation in a spin-polarized degenerate gas of fe…