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SUMMARY:Learning and testing quantum states of fermionic systems [Confirme
 d]
DTSTART:20250521T150000Z
DTEND:20250521T163000Z
DTSTAMP:20260722T042400Z
UID:indico-event-1220@events.perimeterinstitute.ca
DESCRIPTION:Speakers: Antonio Mele (Freie Universität Berlin)\n\nAbstract
 : The experimental realization of increasingly complex quantum states in q
 uantum devices underscores the pressing need for new methods of state lear
 ning and verification. Among the various classes of quantum states\, fermi
 onic systems hold particular significance due to their crucial roles in ph
 ysics. Despite their importance\, research on learning quantum states of f
 ermionic systems remains surprisingly limited. In our work\, we aim to pre
 sent a comprehensive rigorous study on learning and testing states of ferm
 ionic systems. We begin by analyzing arguably the simplest important class
  of fermionic states—free-fermionic states—and subsequently extend our
  analysis to more complex fermionic states. We meticulously delineate scen
 arios in which efficient algorithms are feasible\, providing experimentall
 y practical algorithms for these cases\, while also identifying situations
  where any algorithm for solving these problems must be inherently ineffic
 ient. At the same time\, we present novel fundamental results of independe
 nt interest on fermionic systems\, with additional applications beyond lea
 rning and characterizing quantum devices\, such as many-body physics\, res
 ource theory of non-Gaussianity\, and circuit compilation strategies. (Tal
 k based on https://arxiv.org/pdf/2409.17953 \, https://arxiv.org/pdf/2402.
 18665)\n\nhttps://events.perimeterinstitute.ca/event/1220/
LOCATION:PI/4-405 - Bob Room (Perimeter Institute for Theoretical Physics)
URL:https://events.perimeterinstitute.ca/event/1220/
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