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DTSTART;TZID="Pacific Time (US & Canada)":20210401T161000
DTEND;TZID="Pacific Time (US & Canada)":20210401T170000
SUMMARY:Physics and Astronomy Colloquium – Dr. Fiona Burnell
LOCATION:Online
DESCRIPTION:The Department of Physics and Astronomy invites you to a colloquium featuring Dr. Fiona Burnell, University of Minnesota. Dr. Burnell will present her talk, “Exact models of many-body quantum scars”, Thursday, April 1 at 4:10 pm via Zoom.\n\nMeet the speaker at 3:30 pm - join us in welcoming the speaker and for an informal chat!\n\nhttps://wsu.zoom.us/j/95710823436?pwd=QlJTZzN6a25DTnJsUG44aW0vNWtzZz09\n\nMeeting ID: 957 1082 3436\n\nPasscode: PhysAstro\n\nAbstract: There are a few well-known ways for quantum mechanical, many-body systems to avoid coming to thermal equilibrium. For example, we know of two classes of systems -- integrable systems, and many-body localized systems -- for which conservation laws prevent any eigenstate from reaching (conventional) thermal equilibrium. More recently, a much more subtle type of non-thermal quantum phenomenon has been discovered, dubbed many-body quantum scars. In these systems, a small number of eigenstates (and hence a small number of initial conditions) have non-thermal behavior, while most initial states will approach thermal equilibrium in the usual way. I will give a general picture of how and when this phenomenon arises, and discuss several examples of systems exhibiting exact quantum many-body scars.\n\n 
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