BEGIN:VCALENDAR VERSION:2.0 PRODID:-//linuxsoftware.nz//NONSGML Joyous v1.4//EN BEGIN:VEVENT SUMMARY:Non-local couplings: A new technique to enhance quantum annealing through distribution DTSTART:20240103T143000Z DTEND:20240103T160000Z DTSTAMP:20260919T205825Z UID:7f7b6014-cf12-495c-bfea-040b7923965d SEQUENCE:3 CREATED:20231229T095230Z DESCRIPTION:Quantum Annealing has proven to be a powerful tool to tackle s everal optimizationproblems. However\, its performance is severely impacte d by the limited connectivityof the underlying quantum hardware\, compromi sing the quantum speedup. In thiswork\, we present a novel approach to add ress these issues\, by describing a method toimplement non-local couplings throught the lens of Local Operations and ClassicalCommuncations (LOCC). Non-local couplings are very versatile\, harnessing theconfigurability of distributed quantum networks\, which in turn lead to greatenhancement of t he physical connectivity of the underlying hardware. Furthermore\,the real ization of non-local couplings between distrinct quantum annealing process orsactivates the scalability potential of distributed systems\, i.e. allow ing for a distributedquantum annealing system. Finally\, in a more distant vision\, we also show that securemulti-party quantum annealing algorithms are possible\, allowing for cooperation ofdistrusting parties through opt imization with quantum annealing and a particular typeof non-local couplin gs. LAST-MODIFIED:20231229T095849Z LOCATION:Sala de Seminários do DF\, Pavilhão de Física\, 2º piso URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/non-local-couplings-a-new- technique-to-enhance-quantum-annealing-through-distribution/ X-ALT-DESC;FMTTYPE=text/html:

Quantum Annealing h as proven to be a powerful tool to tackle several optimizationproblems. Ho wever\, its performance is severely impacted by the limited connectivityof the underlying quantum hardware\, compromising the quantum speedup. In th iswork\, we present a novel approach to address these issues\, by describi ng a method toimplement non-local couplings throught the lens of Local Ope rations and ClassicalCommuncations (LOCC).

Non-local couplings a re very versatile\, harnessing theconfigurability of distributed quantum n etworks\, which in turn lead to greatenhancement of the physical connectiv ity of the underlying hardware. Furthermore\,the realization of non-local couplings between distrinct quantum annealing processorsactivates the scal ability potential of distributed systems\, i.e. allowing for a distributed quantum annealing system.

Finally\, in a more distant vision\, w e also show that securemulti-party quantum annealing algorithms are possib le\, allowing for cooperation ofdistrusting parties through optimization w ith quantum annealing and a particular typeof non-local couplings.

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