Quantum 50 : Actualités de l'été 2023 episode artwork

EPISODE · Sep 1, 2023 · 1H 16M

Quantum 50 : Actualités de l'été 2023

from Quantum · host Fanny BOUTON et Olivier EZRATTY

 Dans cet épisode de Quantum de rentrée, nous faisons un récapitulatif de ce qui s’est passé depuis début juin 2023.  Et c'est notre 50e quantum, lancé il y a quatre ans en septembre 2019.  Événements 5 juin et 8 juin à Toulouse avec les conférences Cerfacs et IMFThttps://www.agence-adocc.com/-evenements-/le-calcul-quantique-au-service-de-lindustrie/https://www.imft.fr/journee-thematique-informatique-quantique/ 8 juin,  journée scientifique à I’IOGS en l’honneur d’Alain Aspect avec 5 prix Nobel présents.https://www.youtube.com/watch?v=Erq_74MO0fE 13 juin, France Quantum avec plus de 700 présents.https://www.francequantum.fr/sessions 14 au 17 juin : Vivatech avec notamment le stand HQI qui animait l’écosystème quantique français 20 juin : inauguration de l’usine d’assemblage d’ordinateurs quantique de Quandela à Massy 22 juin à Strasbourg pour le 360° Grand Est, table ronde avec Christophe Couteau du L2N de l’UTT et Sébastien Buffechoux de QPerfect.https://www.360grandest.fr/fr/session/f84c9135-feef-ed11-907a-000d3a474dec/le-quantique-d-aujourd-hui-et-de-demain 28 juin avec la journée quantique des Leti Innovation dayshttps://www.leti-innovation-days.com/2023-grenoble-quantum-computing/ Fin du hackathon international Thales au moment du salon du Bourgethttps://www.linkedin.com/feed/update/urn:li:activity:7077347602840604672/?msgControlName=view_message_button&msgConversationId=2-MjVjZDBiMDYtNDIzYS00NDE0LWI3MzMtYzViZjdhYTU0MDEyXzAxMA%3D%3D&msgOverlay=true 3 au 7 juillet : congrès de la Société Française de Physique à la Cité des Sciences, 150 année. Industrie Siquance devient Quobly et lève 19M€ en juillet plus ou dont 2.5M€ de l’EIC. Alice&Bob et les chercheurs associés de la startup ont publié plusieurs papiers scientifiques récemment sur fiabilité de leurs qubits.Quantum control of a cat-qubit with bit-flip times exceeding ten seconds by Ulysse Réglade, Pierre Rouchon, Alain Sarlette, Mazyar Mirrahimi, Philippe Campagne-Ibarcq, Raphaël Lescanne, Zaki Leghtas et al, July 2023 (17 pages).Autoparametric resonance extending the bit-flip time of a cat qubit up to 0.3 s by Antoine Marquet, Antoine Essig, Nathanaël Cottet, Audrey Bienfait, Théau Peronnin, Sébastien Jezouin, Raphaël Lescanne, Benjamin Huard et al, Alice&Bob and ENS Lyon, July 2023 (26 pages). Includes all the system wiring and lines driving the proposed qubit. Annonce Intel de 12 qubits.En juin 2023, Intel a annoncé l'introduction d'un prototype de chipset de 12 qubits nommé Tunnel Falls qui sera fourni à des partenaires universitaires pour testshttps://www.standard.co.uk/tech/intel-quantum-silicon-chip-quantum-computer-b1088066.html IBM Leur papier sur modèle d’Ising sur 127 qubits.https://research.ibm.com/blog/utility-toward-useful-quantumhttps://www.nature.com/articles/s41586-023-06096-3https://twitter.com/KikeSolanoPhys/status/1673719782544113664 En juin 2023, IBM a annoncé avoir atteint un certain avantage quantique avec un circuit de 100 largeurs x 60 profondeurs fonctionnant sur un QPU de Kiev de 127 qubitsEfficient tensor network simulation of IBM's kicked Ising experiment by Joseph Tindall, Matt Fishman, Miles Stoudenmire and Dries Sels, June 2023 (9 pages).And two other ones:Fast classical simulation of evidence for the utility of quantum computing before fault tolerance by Tomislav Begušić and Garnet Kin-Lic Chan, Caltech, June 2023 (4 pages).Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments by K. Kechedzhi et al, Google AI, NASA, June 2023 (15 pages). One second on a GPU. IBM prévoit désormais d'utiliser des codes de correction LDPC qui nécessiteront une connectivité longue portée entre les qubits, et qui seront implémentés avec des chipsets de connectivité à 7 couches. See High-threshold and low-overhead fault-tolerant quantum memory by Sergey Bravyi, Andrew W. Cross, Jay M. Gambetta, Dmitri Maslov, Patrick Rall and Theodore J. Yoder, IBM, August 2023 (38 pages). Google  et la suprématieSur 70 qubitsSee Phase transition in Random Circuit Sampling by A. Morvan et al, Google AI, April 2023 (39 pages).Toujours du randomized benchmarking avec un calcul aléatoire sans données en entrée. Tout est faux dans France Infohttps://www.francetvinfo.fr/replay-radio/nouveau-monde/ordinateur-quantique-un-demi-siecle-de-calculs-en-quelques-secondes_5912705.html Majorana le retourSee InAs-Al Hybrid Devices Passing the Topological Gap Protocol by Morteza Aghaee et al, PRB, July 2022-June 2023 (54 pages).See Microsoft says its weird new particle could improve quantum computers by Karmela Padavic-Callaghan, New Scientist, June 2023.See Editorial: Transparency in Physical Review Articles, Randall D. Kamien et al, June 2023. et les explications de  Sergei FrolovSergei Frolov tweet explaining that “Physical review editors are lying. They manipulated peer review to go around our comments. 1 year ago PRX reached out to @VincentMourik and got a full run down on this paper. It got Rej...

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