Simulating Thermopower in Mott-Hubbard Materials

We report progress on a new project to simulate and understand thermopower in Mott-Hubbard materials. Ultra-cold $^{40}$K atoms will be confined in an optical lattice. A temperature gradient applied across the lattice will induce mass transport, which can be resolved using time-of-flight imaging and employed to determine the Seebeck coefficient. The impact of Hubbard parameters, disorder, and lattice geometry on thermopower will be investigated.