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UID:DSC-19340
DTSTART;TZID=Europe/Berlin:20230117T110000
SEQUENCE:1673937557
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20230117T120000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/19340
LOCATION:IFW\, Helmholtzstraße 2001069 Dresden
SUMMARY:Hegde: Black hole mirages: Electron lensing and Berry curvature eff
 ects in inhomogeneously tilted Weyl semimetals
CLASS:PUBLIC
DESCRIPTION:Speaker: Dr. Suraj Hegde\nInstitute of Speaker: TU Dresden\, Th
 eoretical Solid State Physics\nTopics:\n\n Location:\n  Name: IFW (D2E.27\
 , IFW Dresden)\n  Street: Helmholtzstraße 20\n  City: 01069 Dresden\n  Ph
 one: \n  Fax: \nDescription: We study electronic transport in Weyl semimet
 als with spatially varying nodal tilt profiles. We find that the flow of e
 lectrons can be guided precisely by judiciously chosen tilt profiles. In a
  wide regime of parameters\, we show that electron flow is described well 
 by semiclassical equations of motion similar to the  equations for geodesi
 cs on curved spacetimes . This analogy provides a physically transparent t
 ool for designing tilt-tronic devices\, such as electronic lenses. The ana
 logy to gravity circumvents the notoriously difficult full-fledged descrip
 tion of inhomogeneous solids\, but a comparison to microscopic lattice sim
 ulations shows that it is only valid for trajectories sufficiently far fro
 m analogue black holes. We finally comment on the Berry curvature-driven t
 ransverse motion and relate the latter to spin precession physics. .
DTSTAMP:20261014T233825Z
CREATED:20221206T063820Z
LAST-MODIFIED:20230117T063917Z
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