BEGIN:VCALENDAR VERSION:2.0 PRODID:researchseminars.org CALSCALE:GREGORIAN X-WR-CALNAME:researchseminars.org BEGIN:VEVENT SUMMARY:Michael Pretko (University of Colorado) DTSTART:20200814T160000Z DTEND:20200814T173000Z DTSTAMP:20260423T022809Z UID:CMU-TP/10 DESCRIPTION:Title: Fractons: A New Type of Particle\nby Michael Pretko (University of Col orado) as part of Carnegie Mellon theoretical physics\n\n\nAbstract\nA fra cton is an unusual new type of emergent quasiparticle found in various con densed matter systems. Fractons are characterized by a set of mobility re strictions\, which force isolated fractons to be strictly immobile\, while certain bound states of fractons remain free to move. This behavior lead s to a variety of unusual phenomenology\, such as non-ergodic and gravitat ional behavior\, and may lead to advances in quantum memory storage. In t his talk\, I will give a broad overview of the field of fractons\, includi ng both introductory material and recent advances. I will describe the ba sics of the theoretical formalism for fractons in terms of tensor gauge th eories and higher moment conservation laws. I will then discuss various p hysical realizations of fractons\, such as spin models and topological lat tice defects\, along with the unusual phenomenology exhibited by fractons. I will conclude by outlining some open questions in the field.\n LOCATION:https://researchseminars.org/talk/CMU-TP/10/ END:VEVENT END:VCALENDAR