, University of Virginia - Department of Physics
[Host: Prof. Peter Schauss]
High temperature superconductivity is of high scientific interest. The underlying physics is captured by the Hubbard model. Based on this model, Anderson's resonating valence bond (RVB)concepts indicate that the strong correlation and frustration are keys to high temperature superconductivity. The triangular lattice Hubbard model is a paradigmatic model of a strongly correlated geometrically frustrated quantum system which exhibits a rich phase diagram including the spin-liquid state predicted by the RVB theory. However, this system is numerically difficult due to the frustration and the large ground state degeneracy. Quantum gas microscopes are at the forefront of quantum simulation, providing a direct site-resolved detection of experimental realizations of the Hubbard model. We realized site-resolved imaging of fermionic Mott Insulators in a novel triangular optical lattice. We measured the spin-spin correlations in these Mott insulators and compared the measured data to Quantum Monte Carlo simulations.
Atomic Physics Seminar
Monday, April 11, 2022
Ridley Hall, Room G006
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