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SUMMARY:Coupled-resonator elastic structures: a paragon for molecular and 
 condensed matter physics - Rafael Mendez (Universidad Nacional Autonoma de
  Mexico (UNAM))
DTSTART:20230524T103500Z
DTEND:20230524T112000Z
UID:TALK198898@talks.cam.ac.uk
DESCRIPTION:We present novel results on the vibrations of the elastic stru
 ctures composed of resonators and finite phononic crystals (PnCs) called m
 eta-atoms. The normal modes associated to these structures get trapped ins
 ide the resonators and decay evanescently through the PnCs when the normal
 -mode frequencies of the resonator fall within the bandgap of the PnCs. Th
 e trapped vibrations\, called atomic elastic meta-orbitals\, mimic the qua
 ntum-mechanical p_z orbitals. By coupling two or more meta-atoms\, artific
 ial elastic molecules are built and the molecular elastic meta-orbitals em
 erge. Applications to aromatic and linear molecules are presented. Topolog
 ical states\, appearing in artificial elastic polymers\, also emerge in th
 e coupled-resonator elastic structures.
LOCATION:Seminar Room 1\, Newton Institute
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