Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session F33: Transport and Dynamics in Quantum Devices
8:00 AM–11:00 AM,
Tuesday, March 7, 2023
Room: Room 225
Sponsoring
Unit:
DCMP
Chair: Robert Moore, Oak Ridge National Lab
Abstract: F33.00008 : Electrically controlled spin mechanical coupling in a carbon nanotube resonator*
9:24 AM–9:36 AM
Presenter:
Federico Fedele
(University Of Oxford)
Authors:
Federico Fedele
(University Of Oxford)
Federico Cerisola
(University of Oxford)
Léa Bresque
(Universite Grenoble Alpes, CNRS, Grenoble INP, Institut Neel, 38000 Grenoble, France)
Kushagra Aggarwal
(University of Oxford)
Jorge Tabanera
(Departamento de Estructura de la Materia, Física Térmica y Electrónica and GISC, Universidad Complutense Madrid, 28040 Madrid, Spain)
Juliette Monsel
(Department of Microtechnology and Nanoscience (MC2), Chalmers University of Technology, S-412 96 Goteborg, Sweden)
Alexia Auffèves
(Universite Grenoble Alpes, CNRS, Grenoble INP, Institut Neel, 38000 Grenoble, France)
Juan M Rodríguez Parrondo
(Departamento de Estructura de la Materia, Física Térmica y Electrónica and GISC, Universidad Complutense Madrid, 28040 Madrid, Spain)
Janet Anders
(Physics and Astronomy, University of Exeter, Exeter EX4 4QL, United Kingdom)
András Pályi
(Department of Theoretical Physics, Budapest University of Technology and Economics, Hungary)
Natalia Ares
(University of Oxford)
We report on the first realization of spin mechanical coupling on a fully suspended carbon nanotube resonator.
Strong spin-orbit interaction allows both the coherent manipulation of a single electron spin and mediates the coupling between the spin and the nanotube motion. We observe both resonant and off-resonant coupling, as a shift and broadening of the electron dipole spin-resonance (EDSR)-frequency, respectively.
We develop a complete theoretical model that matches the experimental data and provides a detailed understanding of the complex mechanisms at play. Our results demonstrate the potential of hybrid semiconductor circuits for applications requiring both mechanical and electric degrees of freedom on chip.
*This research was supported by grant numbers FQXi-IAF19-01 and FQXi-IAF19-05 from the Foundational Questions Institute Fund, a donor-advised fund of Silicon Valley Community Foundation, the Royal Society, EPSRC Platform Grant (grant numbers EP/R029229/1 and EP/R045577/1), the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement number 948932), the Templeton World Charity Foundation, Inc (grant number TWCF0338) and the ANR Research Collaborative Project "Qu-DICE" (grant number ANR-PRC-CES47), the Spanish Government (Grant Contract, FIS-2017-83706- R) and the Vetenskapsr°adet, Swedish VR (project number 2018-05061).
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