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X-FROM-URL:https://eom.sdu.dk/events/ical/19f602df-a9c0-467c-8d7d-397ef4bc
 61d0
X-WR-CALNAME:QC Research Seminar: Preparing spin-squeezed states in Rydber
 g atom arrays via quantum optimal control
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TZID:Europe/Copenhagen
X-LIC-LOCATION:Europe/Copenhagen
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DTSTAMP:20260623T115324Z
DTSTART:20261028T030000
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DESCRIPTION:[b]Speaker: ​Edison Carrera[/b][b] [/b](CEA).\n\n[b]Abstract: 
 [/b]\nRydberg-atom arrays provide a programmable platform for engineering
  long-range interacting spin systems and generating metrologically useful
  entangled states. In this talk\, I will present a quantum optimal-contro
 l approach for preparing spin-squeezed states in ring arrays with van der
  Waals Ising interactions. Starting from an initially unentangled state\,
  gradient-based optimization is used to design tailored pulse sequences t
 hat drive the system toward strongly correlated states with a prescribed 
 squeezing direction. Compared with the uncontrolled dynamics\, the optimi
 zed protocols yield substantially enhanced spin squeezing and remain robu
 st as the system size increases.\nA notable feature is that control pulse
 s optimized on small arrays can be transferred to significantly larger sy
 stems without re-optimization\, suggesting a scalable route to entangled-
 state preparation in programmable Rydberg platforms. I will conclude with
  a brief outlook on related questions of controllability and state-prepar
 ation complexity in neutral-atom systems.
DTEND:20260629T130000Z
DTSTAMP:20260623T115324Z
DTSTART:20260629T120000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QC Research Seminar: Preparing spin-squeezed states in Rydberg ato
 m arrays via quantum optimal control
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