Since 2002 Perimeter Institute has been recording seminars, conference talks, and public outreach events using video cameras installed in our lecture theatres. Perimeter now has 7 formal presentation spaces for its many scientific conferences, seminars, workshops and educational outreach activities, all with advanced audio-visual technical capabilities. Recordings of events in these areas are all available On-Demand from this Video Library and on Perimeter Institute Recorded Seminar Archive (PIRSA).
PIRSA is a permanent, free, searchable, and citable archive of recorded seminars from relevant bodies in physics. This resource has been partially modelled after Cornell University's arXiv.org.
In this talk we will discuss both the one-photon and
two-photon switching mechanisms in hybrid nanomaterials made from two or more
semiconductor, metallic and optical nanostructures. The most prominent examples
of these nanostructures are graphene, semiconductor quantum dots, metallic
nanoparticles, and photonic and polaritonic crystals. Advances in nanoscience
have allowed for the construction of these new classes of hybrid nanomaterials.
Optical excitations in semiconductor nanostructures are electron-hole pairs
results of the Global Survey of Physicists draw attention to the need to focus
on factors other than representation when discussing the situation of women in
physics. Previous studies of women in physics have mostly focused on the lack
of women in the field. This study goes beyond the obvious shortage of women and
shows that there are much deeper issues. For the first time, a multinational
study was conducted with 15000 respondents from 130 countries, showing that problems
We have made a new
measurement of the electron’s electric dipole moment (EDM) using a beam of YbF
molecules. By measuring atto-eV energy shifts in a molecule, this
experiment probes new physics at the tera-eV energy scale. According to the
standard model, this EDM is d_e=10^(-38) e.cm
– some eleven orders of magnitude below the current experimental limit.
However, most extensions to the standard model predict much larger values,
In this presentation Dr Fehr will discuss the results of
ISU ADVANCE, a $3.3 million National Science Foundation supported
research project designed to test strategies for improving the recruitment,
retention, and advancement of women and members of underrepresented
minority groups in science, technology, engineering and mathematics. In
particular, this talk will address barriers to, and strategies for, improving
the work climate in scientific communities. These improvements benefit