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X-FROM-URL:https://eom.sdu.dk/events/ical/c03dec9c-3498-4ac9-8f06-d1bf134a
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X-WR-CALNAME:QC Research Seminar: Error-corrected quantum logic gates
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TZID:Europe/Copenhagen
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DTSTAMP:20260624T153712Z
DTSTART:20261028T030000
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DTSTART:20260325T020000
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DESCRIPTION:[b]Speaker: Ben Brown[/b] (IBM).\n\n[b]Abstract: [/b]\nIn orde
 r to scale a quantum computer to solve difficult problems\, not only do w
 e need to produce a quantum memory that protect quantum information from 
 noise\, but we also need to perform logical operations (logic gates) to m
 anipulate the protected states. Like the memory\, these logic gates must 
 also protect their encoded quantum information as gates are performed. A 
 number of the major breakthroughs in the field of error-corrected logic g
 ates have been made through building connections between quantum error-co
 rrecting codes and topological phases of matter. Indeed\, the surface cod
 e is central to this connection\, and this model has captured the imagina
 tion of the entire error-correction community. In this talk I will explai
 n how error-corrected logic is performed with the surface code by introdu
 cing lattice dislocations with behaviour that is analogous to anyonic qua
 siparticle excitations known as Majorana fermions. I will also explain ho
 w we can use transformations between different topological phases of matt
 er via gauging operations to create magic states\; an essential component
  in a logic gate set. I will mention experimental progress towards the re
 alisations of these gates\, and I will look ahead to describe how these i
 deas are being adapted for quantum computing architectures with long-rang
 e interactions\, that can potentially minimise the high resource cost of 
 building a practical quantum computer.
DTEND:20260511T140000Z
DTSTAMP:20260624T153712Z
DTSTART:20260511T130000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
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SUMMARY:QC Research Seminar: Error-corrected quantum logic gates
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