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SUMMARY:Markus Müller (RWTH Aachen und Forschungszentrum Jülich) -      
 Fault-Tolerant Quantum Computers: Progress and Perspectives
DTSTART:20230609T111500Z
DTEND:20230609T124500Z
DTSTAMP:20260827T120900Z
UID:indico-event-311@indico.hiskp.uni-bonn.de
DESCRIPTION:Quantum computers hold the promise to efficiently solve some c
 omputa5onally hard problems\, for which efficient solu5ons are intractable
  on classical computers. Unfortunately\, unavoidable noise limits the capa
 bili5es of current so-called noisy intermediate-scale quantum (NISQ) devic
 es. To date\, the construc5on of scalable fault-tolerant quantum computers
  remains a fundamental scien5fic and technological challenge. In my talk\
 , I will first introduce basic concepts of quantum compu5ng\, review some
  of the promising applica5ons\, and then outline concepts from quantum err
 or correc5on. The laGer approach allows one to protect quantum informa5on 
 during storage and processing by redundant encoding of informa5on in logic
 al qubits formed of mul5ple physical qubits. I will discuss recent theory 
 work\, perspec5ves and recent collabora5ve experimental breakthroughs towa
 rds fault-tolerant quantum error correc5on on various physical quantum com
 pu5ng plaIorms. This includes the first realisa5ons of repeated\, high-pe
 rformance quantum error-correc5on cycles on topological error correc5ng co
 des with superconduc5ng qubits\, and the first execu5on of universal and 
 fault-tolerant logical quantum gates with trapped ions. Furthermore\, I wi
 ll highlight alterna5ve explora5ve approaches towards robust quantum proce
 ssors\, based e.g. on quantum machine-learning based concepts\, and outlin
 e some promising pathways to scale up current systems towards scalable\, e
 rrorcorrected quantum processors.\n\nhttps://indico.hiskp.uni-bonn.de/even
 t/311/
URL:https://indico.hiskp.uni-bonn.de/event/311/
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