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DTSTART;TZID=America/New_York:20210126T103000
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CREATED:20210119T162048Z
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UID:3890-1611657000-1611662400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Wave Engineering: From Geometry to Fragility"
DESCRIPTION:The elastic properties of materials are determined by a few material constants such as the Young’s modulus. Using super-structures one can effectively change these “constants”. In this way we obtain functionalities such as wave-guiding\, acoustic lensing or programmable failure. I will show how topological band theory\, known from the description of electrons in solids\, provides us with a powerful design-principle for such mechanical metamaterials. Moreover\, mechanical metamaterials offer a powerful platform for the study of fundamentally new phenomena that are hard to observe in other arenas. Here\, I will highlight the first measurement of a quadrupole topological insulator in a silicon based metamaterial\, the implementation of an axial gauge field in an acoustic Weyl system and the measurements of fragile topology.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-wave-engineering-from-geometry-to-fragility/
LOCATION:Zoom – Email MEAM for Link\, peterlit@seas.upenn.edu
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
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