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Schrieffer-Wolff Transformations for Experiments: Dynamically Suppressing Virtual Doublon-Hole Excitations in a Fermi-Hubbard Simulator
Anant Kale, Jakob Hendrik Huhn, Muqing Xu +7
In strongly interacting systems with a separation of energy scales, low-energy effective Hamiltonians help provide insights into the relevant physics at low temperatures. The emerg…
Coupling a mobile hole to an antiferromagnetic spin background: Transient dynamics of a magnetic polaron
Geoffrey Ji, Muqing Xu, Lev Haldar Kendrick +8
Understanding the interplay between charge and spin and its effects on transport is a ubiquitous challenge in quantum many-body systems. In the Fermi-Hubbard model, this interplay…
Classifying Snapshots of the Doped Hubbard Model with Machine Learning
Annabelle Bohrdt, Christie S. Chiu, Geoffrey Ji +6
Quantum gas microscopes for ultracold atoms can provide high-resolution real-space snapshots of complex many-body systems. We implement machine learning to analyze and classify suc…
String patterns in the doped Hubbard model
Christie S. Chiu, Geoffrey Ji, Annabelle Bohrdt +6
Understanding strongly correlated quantum many-body states is one of the most difficult challenges in modern physics. For example, there remain fundamental open questions on the ph…
Implementation of a stable, high-power optical lattice for quantum gas microscopy
A. Mazurenko, S. Blatt, F. Huber +5
We describe the design and implementation of a stable high-power 1064 nm laser system to generate optical lattices for experiments with ultracold quantum gases. The system is based…
Parton theory of magnetic polarons: Mesonic resonances and signatures in dynamics
Fabian Grusdt, Marton Kanasz-Nagy, Annabelle Bohrdt +5
When a mobile hole is moving in an anti-ferromagnet it distorts the surrounding Neel order and forms a magnetic polaron. Such interplay between hole motion and anti-ferromagnetism…
Quantum state engineering of a Hubbard system with ultracold fermions
Christie S. Chiu, Geoffrey Ji, Anton Mazurenko +2
Accessing new regimes in quantum simulation requires the development of new techniques for quantum state preparation. We demonstrate the quantum state engineering of a strongly cor…
Experimental realization of a long-range antiferromagnet in the Hubbard model with ultracold atoms
Anton Mazurenko, Christie S. Chiu, Geoffrey Ji +7
Many exotic phenomena in strongly correlated electron systems emerge from the interplay between spin and motional degrees of freedom. For example, doping an antiferromagnet gives r…
Site-resolved measurement of the spin-correlation function in the Hubbard model
Maxwell F. Parsons, Anton Mazurenko, Christie S. Chiu +3
Exotic phases of matter can emerge from strong correlations in quantum many-body systems. Quantum gas microscopy affords the opportunity to study these correlations with unpreceden…
Site-resolved imaging of a fermionic Mott insulator
Daniel Greif, Maxwell F. Parsons, Anton Mazurenko +5
The complexity of quantum many-body systems originates from the interplay of strong interactions, quantum statistics, and the large number of quantum-mechanical degrees of freedom.…
Site-resolved Imaging of Fermionic Lithium-6 in an Optical Lattice
Maxwell F. Parsons, Florian Huber, Anton Mazurenko +5
We demonstrate site-resolved imaging of individual fermionic lithium-6 atoms in a 2D optical lattice. To preserve the density distribution during fluorescence imaging, we simultane…