PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE
 | PIRSA:11080145
( Flash Presentation , Windows Presentation , Windows Video File , MP3 , PDF) Which Format?
Gravity and Rapid Tunnelling Speaker(s): Keith Copsey
Abstract: I'll discuss my recent results (1108.2255) showing that, once gravity and some technical confusions are taken care of, two classes of potentials one expects to be generic in a landscape, namely ones resulting in thin-wall instantons or with small relative differences in potentials, result in instant... read more
Date: 24/08/2011 - 11:30 am
Series: Cosmology Talks
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 | PIRSA:08060167
( Flash Presentation , Windows Presentation , Windows Video File , MP3 , PDF) Which Format?
Bubbles of Nothing and Violations of the Energy Conditions in AdS-CFT Speaker(s): Keith Copsey
Abstract: I describe a variety of bubbles of nothing which do not require a Kaluza-Klein circle but instead may be found in asymptotically flat or AdS spaces without any identifications. There are many such bubbles which expand outwards and threaten to destabilize spacetimes with more than four dimensions. ... read more
Date: 06/06/2008 - 9:15 am
Collection: PASCOS 08
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