Multi-gap topology of phonons
DIPC Seminars
- Speaker
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Bartomeu Monserrat, University of Cambridge, UK
- When
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2021/12/09
13:00 - Place
- Hybrid Seminar: Donostia International Physics Center
- Add to calendar
-
iCal
Multi-gap topology associated with real Hamiltonians has recently emerged as a
new direction in the study of topological matter. Despite growing interest,
the experimental observation of multi-gap topology in real materials is still
missing.
In this talk, I will argue that phonons could be an ideal platform for the
exploration of multi-gap topology in real materials. I will describe a first
principles density functional theory implementation for the calculation of
quantities related to multi-gap topology, highlighting the Euler class. Using
this framework, I will also describe a few material candidates exhibiting
multi-gap topology in their phonon spectrum, and associated experimental
signatures for their observation.
Host: Maia Vergniory
ZOOM: