Tue October 17, 2023 4:00 pm
CUA Seminar – Cheng Chin: Bose enhanced quantum chemistry
Location:MIT 2-190
Cheng Chin,
James Franck institute, Enrico Fermi institute, Department of Physics, University of Chicago
Ten Minute Talk:"Quantum melting of a two-dimensional electron Wigner crystal" by
Jiho Sung,
Harvard
Chemical reactions in the quantum degenerate regime are governed by nonlinear
mixing of matterwave fields. For Bosonic reactants and products, coherent dynamics and bosonic enhancement are two unique features of reactions in the quantum regime, also known as “quantum super-chemistry”.
In this talk, I report the observation of collective oscillations between atomic and molecular condensates. Faster coherent couplings in samples with higher densities indicates Bose enhanced reactions. We present a quantum field model which well describes the dynamics and identifies three-body recombination as the dominant reaction process. Our findings offer new guiding rules of chemistry in the quantum degenerate regime.