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DTSTART;TZID=America/New_York:20221024T090000
DTEND;TZID=America/New_York:20221024T103000
DTSTAMP:20260619T220331
CREATED:20240214T114116Z
LAST-MODIFIED:20240229T111301Z
UID:10002706-1666602000-1666607400@cmsa.fas.harvard.edu
SUMMARY:Insulating BECs and other surprises in dipole-conserving systems
DESCRIPTION:Quantum Matter Seminar \nSpeaker: Ethan Lake (MIT) \nTitle: Insulating BECs and other surprises in dipole-conserving systems \nAbstract: I will discuss recent work on bosonic models whose dynamics conserves both total charge and total dipole moment\, a situation which can be engineered in strongly tilted optical lattices. Related models have received significant attention recently for their interesting out-of-equilibrium dynamics\, but analytic and numeric studies reveal that they also possess rather unusual ground states. I will focus in particular on a dipole-conserving variant of the Bose-Hubbard model\, which realizes an unusual phase of matter that possesses a Bose-Einstein condensate\, but which is nevertheless insulating\, and has zero superfluid weight. Time permitting\, I will also describe the physics of a regime in which these models spontaneously fracture into an exotic type of glassy state. \n 
URL:https://cmsa.fas.harvard.edu/event/qm_102422/
LOCATION:Virtual
CATEGORIES:Quantum Matter
ATTACH;FMTTYPE=image/png:https://cmsa.fas.harvard.edu/media/CMSA-Quantum-Matter-in-Mathematics-and-Physics-10.24.22.png
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