We are thankful to be welcome on these lands in friendship. The lands we are situated on are covered by the Williams Treaties and are the traditional territory of the Mississaugas, a branch of the greater Anishinaabeg Nation, including Algonquin, Ojibway, Odawa and Pottawatomi. These lands remain home to many Indigenous nations and peoples.

We acknowledge this land out of respect for the Indigenous nations who have cared for Turtle Island, also called North America, from before the arrival of settler peoples until this day. Most importantly, we acknowledge that the history of these lands has been tainted by poor treatment and a lack of friendship with the First Nations who call them home.

This history is something we are all affected by because we are all treaty people in Canada. We all have a shared history to reflect on, and each of us is affected by this history in different ways. Our past defines our present, but if we move forward as friends and allies, then it does not have to define our future.

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October 28, 2009

Speaker: Dr. Normand Mousseau, CRC in Computational Physics of Complex Materials, Departement de Physique, Universite de Montreal

Title: Challenges and recent advances in the simulation of diffusion processes

Abstract: Understanding the microscopic mechanisms associated with the kinetics of diffusion processes is a major challenge. While experiments can provide a rough description of kinetic processes associated with surface atomic motion, experimental information is not sufficient to identify uniquely the dynamical properties associated with diffusion and self-assembly, especially in the bulk, and simulations remain essential to fully understand the driving forces being these processes. But simulations are difficult because the size and the time scale associated with atomic diffusion are large compared to what can normally be reached in standard atomistic simulations. In this talk, I will discuss the state of the art for simulating diffusion processes, focusing, in particular, on the kinetic Activation-Relaxation Technique (kinetic ART), an on-the-fly kinetic Monte Carlo method that we have developed recently. The code kinetic ART is a collaboration with Fedwa El-Mellouhi and Laurent Lewis. Its development is supported by FQRNT (Québec), NSERC (Canada) and the Canada Research Chair Funds.

Biography: ...

Disciplines: Chemistry, Computing, Mathematics, Physics