# Video Library

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.

## Tools

Sunday Sep 29, 2013

## 13/14 PSI - Quantum Theory - Lecture 15

Friday Sep 27, 2013
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## 13/14 PSI - Relativity - Lecture 15

Friday Sep 27, 2013
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## 13/14 PSI - Quantum Theory - Lecture 14

Thursday Sep 26, 2013
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## 13/14 PSI - Relativity - Lecture 14

Thursday Sep 26, 2013
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## Universal fault-tolerant quantum computation with only transversal gates and error correction

Wednesday Sep 25, 2013
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Transversal
implementations of encoded unitary gates are highly desirable for
fault-tolerant quantum computation.  It is known, however, that
transversal gates alone cannot be computationally universal.  I will show
that the limitation on universality can be circumvented using only
fault-tolerant error correction, which is already required anyway.  This
result applies to triorthogonal'' stabilizer codes, which were recently
introduced by Bravyi and Haah for state distillation.  I will show that

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## Slippery Waves: Brilliance Brings Blind Spots

Wednesday Sep 25, 2013
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Superfluidity and superconductivity are two remarkable
phenomena in which, at low temperatures, materials abruptly gain the ability to
flow without friction. Microscopic quantum theories of these phases of matter
were constructed in blockbuster papers of Lev Landau (1940) and John Bardeen,
Leon Cooper, and J. Robert Schrieffer
(1957). The actual explanation of
the flow, however, is rooted in a
Einstein paper of 1924 that introduces a condensate, a quantum configuration describing a finite

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## 13/14 PSI - Quantum Theory - Lecture 13

Wednesday Sep 25, 2013
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## Topics in QFT on Flat and Curved Spacetimes - Lecture 2

Wednesday Sep 25, 2013
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## 13/14 PSI - Relativity - Lecture 13

Wednesday Sep 25, 2013
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## Lectures On-Demand

Watch on Perimeter's