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Radii of Rydberg states of isolated silicon donors

Li, J; Le, NH; Litvinenko, KL; Clowes, SK; Engelkamp, H; Pavlov, SG; Huebers, H-W; ... Murdin, BN; + view all (2018) Radii of Rydberg states of isolated silicon donors. Physical Review B , 98 (8) , Article 085423. 10.1103/PhysRevB.98.085423. Green open access

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Abstract

We have performed high field magnetoabsorption spectroscopy on silicon doped with a variety of single and double donor species. The magnetic field provides access to an experimental magnetic length, and the quadratic Zeeman effect, in particular, may be used to extract the wave-function radius without reliance on previously determined effective mass parameters. We were, therefore, able to determine the limits of validity for the standard one-band anisotropic effective mass model. We also provide improved parameters and use them for an independent check on the accuracy of effective mass theory. Finally, we show that the optically accessible excited-state wave functions have the attractive property that interactions with neighbors are far more forgiving of position errors than (say) the ground state.

Type: Article
Title: Radii of Rydberg states of isolated silicon donors
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevB.98.085423
Publisher version: https://doi.org/10.1103/PhysRevB.98.085423
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Physical Sciences, Physics, Condensed Matter, Physics, QUANTUM, RESONANCE, ATOMS
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/10056644
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