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SUMMARY:Fast and distributed FTQC with neutral atoms: transversal surface-
 code game and entanglement boosting protocol - Shinichi Sunami
DTSTART:20260414T100000Z
DTEND:20260414T105000Z
UID:TALK246541@talks.cam.ac.uk
CONTACT:Sanaa Sharma
DESCRIPTION:Neutral atom technologies have opened the door to novel theore
 tical advances in surface-code protocols for fault-tolerant quantum comput
 ation (FTQC)\, offering a compelling alternative to lattice surgery by lev
 eraging transversal gates. However\, a crucial gap remains between the the
 ory of FTQC and its practical realization on neutral atom systems\; most c
 ritically\, a key theoretical requirement -- that syndrome extraction must
  be performed frequently enough to keep error accumulation below a thresho
 ld constant -- is difficult to satisfy in a scalable manner in conventiona
 l zoned approach. In this work\, we develop a comprehensive theoretical fr
 amework that closes such a gap\, bridging theoretical advances in surface-
 code fault-tolerant protocols with capabilities of neutral atoms. Building
  on the "game of surface code" framework originally developed for supercon
 ducting qubits\, we introduce an alternative game-based paradigm for trans
 versal-gate FTQC that harnesses the unique strengths of neutral atom array
 s. The game rules are designed to enable syndrome extraction at any interm
 ediate step during logical gate implementation\, ensuring compatibility wi
 th the threshold theorem. We further present an efficient method for desig
 ning resource state factories tailored to transversal-gate FTQC. As an app
 lication\, our framework offers a systematic methodology and high-level ab
 straction for resource estimation and optimization\, demonstrating that sp
 ace-time performance competitive with a baseline lattice-surgery-based app
 roach on superconducting qubits is possible\, even when physical operation
 s on neutral atoms are orders of magnitude slower. These results establish
  a solid foundation that bridges the theory and experiment of FTQC powered
  by neutral atoms\, charting a well-founded pathway toward scalable\, faul
 t-tolerant quantum computers and setting practical directions for technolo
 gical development.
LOCATION:https://teams.microsoft.com/meet/335795332706544?p=U56o1Zv3f8ucxG
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