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Since 2002 Perimeter Institute has been recording seminars, conference talks, public outreach events such as talks from top scientists 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 and 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. 

Accessibly by anyone with internet, Perimeter aims to share the power and wonder of science with this free library.




Jeudi aoû 04, 2011

I will wander through the issues of fundamental quantum amplifier noise pointing out the very fundamental relation between that noise and the commutation relations of quantum mechanics. I will also present a simple model of a completely linear phase insensitive amplifier. I will then show the relation between such linear amplifiers and black holes, the irrelevance of energy to the notion of an amplifier, and look at Hawking Radiation as such amplifier noise. Finally, I will discuss dumb holes, and the contention that our UBC experiment measured Hawking radiation.

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