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SUMMARY:IMX Seminar Series - Impact of materials on loss in superconductin
 g qubits
DTSTART:20220321T131500
DTEND:20220321T141500
DTSTAMP:20260307T133818Z
UID:312c957455cb9d7e5fa4d36ac60bd6bdb90e9b625b8d6c3a4c999cbd
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Conal Murray\, IBM Quantum\, New York USA\nProgress achieve
 d in the field of quantum computing has enabled new platforms for solving 
 problems on the path towards surpassing their classical counterparts.  A
  critical link in maintaining these advancements is identifying which cons
 traints pose the greatest limitations on qubit performance.  After a bri
 ef introduction to superconducting transmon qubits\, I will describe sever
 al mechanisms that are responsible for the relaxation or decoherence of th
 eir state and the corresponding methods that can be utilized to characteri
 ze their influence.  A combination of analytical and computational appro
 aches can be used to guide both the design of qubits and the metallization
  that comprises them\, allowing for a more accurate comparison of paramete
 rs that can influence their manufacture and operation.  I will also deta
 il how these aspects provide a framework for understanding the evolution o
 f IBM’s offerings in the era of near-term quantum computing. \n\nSugges
 ted references: \n\nC.E. Murray\, “Material matters in superconducting 
 qubits”\, Mat. Sci. Eng. R: Reports 146\, 100646 (2021)   (arxiv2106
 .05919)\n\nC. Kurter et al.\, “Quasiparticle tunneling as a probe of Jos
 ephson junction quality and capacitor material in superconducting qubits
 ”\, arxiv2106.11488\n\nBio: Conal E. Murray received a Sc.B. degree in
  mechanics and materials science from Harvard University\, M.S. in mechani
 cal engineering from Boston University\, and a Ph.D. in materials science 
 and engineering from Northwestern University in 2000.  Since completing 
 his Ph.D.\, he has been a Research Staff Member at the IBM T.J. Watson Res
 earch Center in Yorktown Heights\, NY\, where his research focuses on the
  study of loss mechanisms associated with quantum computing and the microm
 echanics of semiconductor devices.  Dr. Murray has received 4 IBM Resear
 ch Division awards\, the IEEE 2017 Van Duzer prize and was elected a Fello
 w of the American Physical Society in 2018.  He has authored or co-autho
 red over 100 scientific publications\, 3 book chapters\, and holds over 90
  patents.  He served as co-chair of the 2019 MRS Fall Meeting and has be
 en on the organizing committee of the Denver X-ray Conference since 2012.
LOCATION:https://epfl.zoom.us/j/68532296336?pwd=UXBrN1RBWHVFQjVjSko2NDF3S3
 Awdz09
STATUS:CONFIRMED
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