April 16  (2:00 pm usual time)  Oscar Bernal, CSULA,, "Nuclear Magnetic Resonance and the compund URu₂Si₂"

We describe some of the main concepts behind nuclear magnetic resonance and how this technique can be used
to study URu₂Si₂. This is a heavy-fermion material which displays interesting phase transitions. We find unusual
linewidth behavior as a function of temperature and magnetic field strength, which in principle could be originated by orbital antiferromagnetism: internally counter-circulating currents developing at low temperatures.