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DTSTART:20220327T030000
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DTSTAMP:20260405T083606Z
UID:62417103c32e5766668845@ist.ac.at
DTSTART:20220426T110000
DTEND:20220426T120000
DESCRIPTION:Speaker: Lucas Casparis\nhosted by Andrew Higginbotham/Georgios
  Katsaros\nAbstract: Superconductor-semiconductor hybrid nanowires have be
 en predicted to host a topological phase in the bulk and Majorana zero mod
 es at the ends of the wire. Probing the full extent of this prediction has
  been challenging since the traditional two-terminal device geometries are
  limited to probe the local density of states at one end of the wire. In t
 his context\, we recently developed three-terminal devices which allow for
  the measurement of the transport gap in the bulk of the wire\, as well as
  the detection of correlated local states at both ends of the wire.In this
  seminar\, I will discuss the protocol we employ to map the phase space (c
 hemical potential and magnetic field) of these devices to identify regions
  consistent with topological superconductivity and to extract the topologi
 cal gap. Further\, I will present both simulated and measured phase diagra
 ms of three-terminal devices based on InAs-Al heterostructures\, which are
  consistent with the emergence of topological superconductivity and a topo
 logical gap of around 30ueV.
LOCATION:Heinzel Seminar Room / Office Bldg West (hybrid enabled) (I21.EG.1
 01)\, ISTA
ORGANIZER:swiddman@ist.ac.at
SUMMARY:Lucas Casparis: Phase Diagram of InAs-Al Heterostructures
URL:https://talks-calendar.ista.ac.at/events/3686
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