Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session Q67: Hybrid Quantum Systems III
3:00 PM–6:00 PM,
Wednesday, March 8, 2023
Room: Room 412
Sponsoring
Unit:
DQI
Chair: Yogesh Patil, Yale University
Abstract: Q67.00011 : Electron spin coherence on a solid neon surface*
5:24 PM–5:36 PM
Presenter:
Qianfan Chen
(Argonne National Laboratory)
Authors:
Qianfan Chen
(Argonne National Laboratory)
Ivar Martin
(Argonne National Laboratory)
Liang Jiang
(University of Chicago)
Dafei Jin
(University of Notre Dame)
dephasing time T*2 is around 0.16 ms, already better than most semiconductor quantum-dot spin qubits. For commercially available, isotopically purified Ne with 1 ppm of 21Ne, T*2 can be 0.43 s. Under the application of Hahn echoes, the coherence time T2 can be improved to 30 ms for natural Ne and 81 s for purified Ne. Therefore, the single-electron spin qubits on solid Ne can serve as promising new spin qubits.
*This work was performed at the Center for Nanoscale Materials, a U.S. Department of Energy Office of Science User Facility, and supported by the U.S. Department of Energy, Office of Science, under Contract No. DE-AC02-06CH11357. DJ, IM, and QC acknowledge support from Argonne National Laboratory Directed Research and Development (LDRD) Program. DJ acknowledges additional support from the Julian Schwinger Foundation (JSF) for Physics Research. LJ acknowledges support from the Packard Foundation (2020-71479).
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