University of Waterloo
200 University Avenue West
Waterloo, Ontario, Canada N2L 3G1
Phone: (519) 888-4567 ext 32215
Fax: (519) 746-8115
Department of Physics, University of Colorado
Dr. Radzihovsky's research interests span a broad spectrum of condensed matter, ranging from liquid crystals, colloids, membranes, rubber and other "soft" matter to degenerate atomic gases, superconductors, and quantum Hall systems.
Refreshments in PHY 313 starting at 3:30 pm
I will discuss a role of quantum indistinguishability in chemical bond-breaking processes. Specifically, I will argue that chemical reactions involving small symmetric molecules require a full quantum treatment of collective nuclear degrees of freedom beyond the conventional Born-Oppenheimer description. I will present physical arguments for a “Quantum Dynamical Selection” (QDS) conjecture that precludes processes that involve direct transitions from orbitally non-symmetric molecular states. QDS leads to a number of striking experimental predictions, such as e.g., a differential chemical reactivity of para- and ortho-hydrogen, a mechanism for inducing inter-molecular quantum entanglement of nuclear spins, and a new mass-independent isotope fractionation mechanism, among others.