BEGIN:VCALENDAR VERSION:2.0 PRODID:Data::ICal 0.22 BEGIN:VEVENT DESCRIPTION:Jirayu Mongkolkiattichai \, University of Virginia - Department of Physics\n\n
Quantum gas microscopes have expan ded the understanding of many-particle physics with their unique ability o f single atom resolved imaging. Quantum gas microscopes provide microscopi c information of quantum many-body states through spatial correlation func tions. Relying on the unique tunability of ultracold atoms in atomic inter actions via Feshbach resonances\, density\, and spin-imbalance\, we study a wide parameter range in the phase diagram. Interestingly\, a triangular lattice is the simplest example of geometric frustration because three spi ns with antiferromagnetic interactions cannot be antiparallel\, leading to large degeneracies in the many-body ground state [1]. In this talk\, I pr esent a Mott insulator of lithium-6 on a symmetric triangular lattice with a lattice spacing of 1003 nm. The lattice is imaged via a Raman sideband cooling technique with imaging fidelity of 98% [2]. We calibrated tunnelin g by extracting lattice depth from band excitation and the interaction is determined using doublon formation. We can access single-species singles c omponents with the use of doublon hiding [3] and spin removal techniques [ 4] to detect spin-spin correlations. We compare the results to Determinant al Quantum Monte Carlo calculations\, plan to investigate 120°\; Neel o rdering in Heisenberg antiferromagnets\, and search for quantum spin liqui ds in the triangular lattice Hubbard system.
\n\n[1] L. Balents\, Nature 464\, 7286 (2010).
\n\n[2] J. Yang\, et al.\, PRX Quantum 2\, 020344 (2021).
\n\n[3] P. T. Brown\, et al.\, Science 357\, 6358 (2017).
\n\n[4] M. F. Parsons\, et al.\, Science 353\, 1253 (2016). \;
\n DTSTART:20220414T200000Z LOCATION:Clark Hall\, Room G004 SUMMARY:Probing correlations in fermionic triangular Hubbard systems END:VEVENT END:VCALENDAR