"Analogue gravity in cold atom and condensed matter systems "Professor Daniel Sheehy , Louisiana State University [Host: Cass Sackett]
ABSTRACT:
In recent years there has been much interest in the field of "analogue gravity", in which cosmological or astrophysical phenomena like Hawking radiation are mimicked in a laboratory experiment. At LSU, my research group in cold atom/condensed matter theory became interested in this field, motivated by the recent experiment of Eckel and collaborators, [Phys. Rev. X 8, 021021 (2018)] who used a rapidly expanding Bose-Einstein condensate (BEC) to reproduce the inflationary regime of the early universe. I will present our work on the physics of inflation in expanding BEC's, and discuss other setups to detect analogue gravity phenomena like the Unruh effect. VIDEO:
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Colloquium Friday, November 19, 2021 3:30 PM Physics Building, Room 204 Note special room. Attend virtually via Zoom:https://web.phys.virginia.edu/Private/Covid-19/colloquium.asp |
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