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X-WR-CALNAME:Chimie ParisTech - PSL
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X-WR-CALDESC:Évènements pour Chimie ParisTech - PSL
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DTSTART;TZID=Europe/Paris:20210527T110000
DTEND;TZID=Europe/Paris:20210527T130000
DTSTAMP:20210525T113527Z
CREATED:20210525T113328Z
LAST-MODIFIED:20210525T113527Z
UID:21779-1622113200-1622120400@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Experimental protection of quantum coherence by using a phase-tunable image drive \nS. Bertaina\, Aix-Marseille Universite\, CNRS\, IM2NP\, UMR 7334.  \nThe protection of spin coherence is an essential task in order to manipulate\, store and read quantum information. It has been proposed to dynamically decouple (DD) qubits from their surroundings by applying a series of distinct pulses. For nitrogen vacancy centers\, such protection was achieved by using concatenated DD up to the second order of dressing. We go beyond their specific case and demonstrate T2~T1 with a new pulse protocol\, independent of qubit initial state\, in a number of materials with different spin Hamiltonians and environments. The protocol uses two coherent microwave pulses: one drives the Rabi precession while a low-power\, circularly polarized (image) pulse continuously sustains the spin motion. The initial phase of the image drive allows tuning the spin dynamics by altering the Floquet modes. The technical implementation is simple and can be generalized to any type of qubit\, such as superconducting circuits or spin systems. \nWork supported by the CNRS infrastructure RENARD (award IR-RPE CNRS 3443). Partial support by the NSF Cooperative Agreement No. DMR-1644779 and the State of Florida is acknowledged. \n To join us : https://teams.microsoft.com/l/meetup-join/19%3ameeting_YmRmZWNhZTgtNjRhMy00NmFlLWJlN2YtZmFmNjQyYWUxZTM2%40thread.v2/0?context=%7b%22Tid%22%3a%224f8fd695-b3b5-4082-8005-610e9453e6d0%22%2c%22Oid%22%3a%2214ee8c27-1d8a-429e-a5ec-581d13fc6197%22%7d \n  \n  \n  \n  \n  \n 
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-21/
LOCATION:A distance / En ligne
CATEGORIES:Séminaire
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DTSTART;TZID=Europe/Paris:20210527T120000
DTEND;TZID=Europe/Paris:20210527T140000
DTSTAMP:20210526T150915Z
CREATED:20210526T150915Z
LAST-MODIFIED:20210526T150915Z
UID:21789-1622116800-1622124000@www.chimieparistech.psl.eu
SUMMARY:Distribution alimentaire PSL Linkee
DESCRIPTION:Linkee organise une distribution sur la Place du Panthéon ce jeudi 27 mai de 12h à 14h. \n  \nInscription nécessaire ici : https://www.helloasso.com/associations/linkee-paris/evenements/distribution-de-colis-alimentaires-durables-linkee-paris-5eme-1 \n  \n 
URL:https://www.chimieparistech.psl.eu/evenement-agenda/distribution-alimentaire-psl-linkee/
CATEGORIES:Evénement
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