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SUMMARY:Mind the Gap: Topological Quantum Blind Spots
DESCRIPTION:Speaker: Dr Henry Legg (St Andrews)\nAbstract: \nRecently\, sig
 nificant attention has been focused on realising a topological qubit based
  on Majorana zero modes\, driven in particular by claims from Microsoft Qu
 antum. Here\, I critically examine the Topological Gap Protocol (TGP) and 
 demonstrate its fundamental Blind Spots. I show that the TGP is unreliable
  both as a diagnostic tool for topological superconductivity and associate
 d Majorana zero modes\, and as a method for verifying a bulk superconducti
 ng gap — a prerequisite for parity readout and qubit operation. Based on
  these insights\, I will conclude that claims to have already realised top
 ological qubits are not reliable and should be revisited.\nReferences:\n 
 [1] Hess\, Legg\, Loss\, Klinovaja Phys. Rev. Lett. 130\, 207001 (2023)\n
  [2] Legg\, arXiv:2502.19560 (Comment accepted to PRB) [3] Legg\, Nature\
 n 654\, E22–E26 (2026)
URL:https://www.imperial.ac.uk/events/214699/mind-the-gap-topological-quant
 um-blind-spots/
DTSTART;TZID=Europe/London:20261022T140000
DTEND;TZID=Europe/London:20261022T150000
LOCATION:H503-level 5 \, Huxley Building\, South Kensington Campus\, Imperi
 al College London\, London\, SW7 2AZ\, United Kingdom
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