Past Events

Friday, November 16, 2018 - 11:45am
Hudson Hall 207
Speaker: Tom Driscoll
Phased-array antennas which electronically steer a narrow reconfigurable beam have been at the heart of high-performance radar for more than half-a-century. Unfortunately, the cost of phased array radars has historically restricted their use to high-end military applications. Now, Echodyne is... Read More »
Thursday, November 15, 2018 - 11:30am
Physics 298
Speaker: Fabio Altomare (D-Wave Systems)
D-Wave Systems builds superconducting quantum annealing processors that are primarily intended to be used for solving classical computation problems such as optimization and sampling. However, recent studies have shown how this computing platform can be used as a programmable quantum magnet that... Read More »
Wednesday, November 14, 2018 - 3:30pm
Physics 130
Speaker: Edwin Lyman (Union of Concerned Scientists)
"Learning from the Hard Cases: Iran, North Korea, Japan, and the Future of Nuclear Nonproliferation" - Nuclear energy has the potential to help reduce carbon emissions and mitigate climate change. However, the technology also has serious drawbacks. For instance, the same facilities needed to... Read More »
Thursday, November 8, 2018 - 1:00pm
Hudson Hall 208
Speaker: Dr. Nathan Kundtz
Dr. Kundtz will present on the technology behind Kymeta's disruptive products - Liquid Crystal Mediated Reconfigurable Holographic Metamaterial Electronically Scanned Antennas - and how they have been adopted globally. The underlying technology includes many cutting edge areas of research and... Read More »
Thursday, November 8, 2018 - 11:30am
Physics 298
Speaker: Nicholas P. Butch (NIST, UMD College Park)
Nonunitary superconductivity is a rare and striking phenomenon in which spin up and spin down electrons segregate into two different quantum condensates. In this talk, I'll describe the discovery of spin-triplet superconductivity in paramagnetic UTe2, in which electrons with parallel spins pair,... Read More »
Thursday, November 1, 2018 - 3:30pm
Physics 298
Speaker: Laura Donnay (Harvard)
Symmetries of asymptotically flat spacetimes, the so-called Bondi-Metzner-Sachs (BMS) symmetries, consist of a very rich set composed of supertranslations and superrotations that extend the Poincaré group to an infinite-dimensional group. After a review of BMS symmetries at null infinity, I will... Read More »
Wednesday, October 31, 2018 - 12:00pm
Fitzpatrick Center Schiciano Auditorium Side A, room 1464
Speaker: Jinsong Huang, UNC
The research of halide perovskite solar cells continues to boom with device energy conversion efficiency approaching that of single crystal silicon solar cells. Many unique properties have been discovered in halide perovskites, which may or may not explain the high efficiency in solution processed... Read More »
Wednesday, October 24, 2018 - 3:30pm
Physics 130
Speaker: Doug Durian (University of Pennsylvania)
"The Dynamics of Granular Clogging" The gravity-driven flow of grains from a hole in a hopper is an iconic granular phenomenon. It's different from a fluid in that the rate is constant also in that it can suddenly and unexpectedly clog. How does the the susceptibility to clogging decrease with... Read More »
Tuesday, October 16, 2018 - 3:30pm
Physics 298
Speaker: Abhishek Mohapatra
Axions are a strongly motivated candidate for dark matter. In relativistic field theory, axions are described by a real scalar field, whose self-interaction potential is a periodic function of the scalar field. If the dark matter in the universe is made of axions, then they are highly... Read More »
Monday, October 15, 2018 - 10:05am
Teer 203
Speaker: Yuanyuan (Alvin) Zhou
Halide perovskites have recently emerged as a new family of semiconducting materials that are revolutionizing the field of photovoltaics. The rapid development of perovskite solar cells is being led by the advances in microstructural/compositional engineering of perovskite thin films. In this... Read More »