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X-FROM-URL:https://eom.sdu.dk/events/ical/f3b5c5ee-76a7-43c8-8b73-7d9e6603
 6754
X-WR-CALNAME:QC Research Seminar: Topologically Fault-Tolerant Quantum Com
 puter with Four Dimensional Geometric Codes
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TZID:Europe/Copenhagen
X-LIC-LOCATION:Europe/Copenhagen
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DTSTAMP:20260602T163100Z
DTSTART:20261028T030000
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DESCRIPTION:QC Seminar: Topological quantum codes are intrinsically fault-
 tolerant to local noise\, and underlie the theory of topological phases o
 f matter. We explore geometry to enhance the performance of topological q
 uantum codes by rotating the four dimensional self-correcting quantum mem
 ory\, and present codes targeted to both near-term and utility-scale quan
 tum computers. We identify a full set of logical Clifford operations and 
 with it design a universal fault-tolerant quantum architecture. Our desig
 n achieves single-shot error correction\, significant reductions in requi
 red qubits\, and low-depth logical operations. In turn\, our proposed arc
 hitecture relaxes the requirements for achieving fault tolerance and offe
 rs an efficient path for realization in several near-term quantum hardwar
 e implementations. Our [[96\,6\,8]] 4D Hadamard lattice code has low weig
 ht-6 stabilizers and depth-8 syndrome extraction circuits\, a high pseudo
 -threshold of ~0.01\, and a logical error rate of 1e-6 per logical qubit 
 per round of error correction at 0.001 physical error rate under a standa
 rd circuit-level noise model. A Clifford-complete logical gate set is pre
 sented\, including a constructive and efficient method for Clifford gate 
 synthesis.
DTEND:20251118T133000Z
DTSTAMP:20260602T163100Z
DTSTART:20251118T123000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QC Research Seminar: Topologically Fault-Tolerant Quantum Computer
  with Four Dimensional Geometric Codes
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