Michał Studziński - Entanglementrecycling in quantum universal programmable processors

Entanglementrecycling in quantum universal programmable processors

Ce séminaire, donné par Michał Studziński, aura lieu le 26 May 2025, à 9:0. Il aura lieu en salle 24-25/405.

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Résumé

We study a model of a quantum universal programmable processor basedon variants of port-based teleportation schemes. The main goal ofthis talk is to evaluate the performance of such a processor aftermultiple rounds of execution, with the quantum program encoded withinit. We analytically characterize the degradation of the processorand, in the case where the resource state consists of N EPR pairs, wedemonstrate the possibility of reusing it for subsequent rounds ofteleportation in the limit N→∞. For an optimized processor, wecompare the performance of the protocol to that of multi-port-basedteleportation, showing that resource state reuse remains possible.Results are presented for both probabilistic and deterministicprocessors and rely on mathematical tools inspired by the mixedSchur-Weyl duality. Speaker: Michał Studziński, International Centre for Theory of QuantumTechnologies, University of Gdańsk, Poland