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Video Library
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.
Expressing the equation of state parameter in terms of the three dimensional cosmic shear
Submitted by Anonymous on November 3, 2012 - 9:37pm
Thursday Apr 06, 2006
We express the total equation of state parameter of a spatially flat Friedman-Robertson-Walker universe in terms of derivatives of the red-shift dependent spin-weighted angular moments of the two-point correlation function of the three dimensional cosmic shear. In the talk I will explain all the technical terms in the first sentence, I will explain how such an expression is obtained and highlight its relevance for determining the expansion history of the universe.
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Introduction to quantum gravity - Part 23
Submitted by Anonymous on November 3, 2012 - 9:36pm
Wednesday Apr 05, 2006
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Introduction to quantum gravity - Part 22
Submitted by Anonymous on November 3, 2012 - 9:36pm
Wednesday Apr 05, 2006
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Controlled dynamics in ultracold atomic systems
Submitted by Anonymous on November 3, 2012 - 9:37pm
Wednesday Apr 05, 2006
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I will investigate the creation and detection of multipartite entangled states in systems of ultracold neutral atoms trapped in an optical lattice. These setups are scalable, highly versatile and controllable at the quantum level. Thus they provide an ideal test bed for studying the properties of multipartite entangled states. I will first present methods exploiting incoherent dynamics for initializing an atomic quantum register. The immersion of an optical lattice in a Bose-Einstein condensate leads to spontaneous emission of phonons.
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Neutrinos - The x-files of physics
Submitted by Anonymous on November 3, 2012 - 9:37pm
Wednesday Apr 05, 2006
Neutrinos are the big unknown in Particle Physics. Since their very beginning they behaved strangely. However, in the last decade experiments were able to solve some of their secrets. The talk will review the current experimental status of neutrino experiments and give an outlook on future activities.
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What does the CMB really tell us about inflation?
Submitted by Anonymous on November 3, 2012 - 9:37pm
Tuesday Apr 04, 2006
The recently released WMAP 3-year data on the anisotropy and polarization of the Cosmic Microwave Background is a milestone in cosmology. For the first time, it is possible to rule out popular models of inflation in the early universe. However, the WMAP3 data contain interesting hints which indicate that it may be too early to declare a "slam dunk" for simple single-field models of inflation.
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D-branes in toroidal orbifolds and mirror symmetry
Submitted by Anonymous on November 3, 2012 - 9:37pm
Mapping the polarized sky with WMAP: Methods and new cosmological insights
Submitted by Anonymous on November 3, 2012 - 9:37pm
Tuesday Apr 04, 2006
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Introduction to quantum gravity - Part 21
Submitted by Anonymous on November 3, 2012 - 9:36pm
Friday Mar 31, 2006
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This is an introduction to background independent quantum theories of
gravity, with a focus on loop quantum gravity and related approaches.
Basic texts:
-Quantum Gravity, by Carlo Rovelli, Cambridge University Press 2005 -Quantum gravityy with a positive cosmological constant, Lee Smolin,
hep-th/0209079
-Invitation to loop quantum gravity, Lee Smolin, hep-th/0408048 -Gauge fields, knots and gravity, JC Baez, JP Muniain
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Introduction to quantum gravity - Part 20
Submitted by Anonymous on November 3, 2012 - 9:36pm
Wednesday Mar 29, 2006
Speaker(s):
This is an introduction to background independent quantum theories of
gravity, with a focus on loop quantum gravity and related approaches.
Basic texts:
-Quantum Gravity, by Carlo Rovelli, Cambridge University Press 2005 -Quantum gravityy with a positive cosmological constant, Lee Smolin,
hep-th/0209079
-Invitation to loop quantum gravity, Lee Smolin, hep-th/0408048 -Gauge fields, knots and gravity, JC Baez, JP Muniain
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Pages
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