Quantum behaviour of hydrogen and muonium in vacancy-containing complexes in diamond

Kerridge, Andrew and Harker, A. H. and Stoneham, A. M. (2004) Quantum behaviour of hydrogen and muonium in vacancy-containing complexes in diamond. Journal of Physics: Condensed Matter, 16 (47). pp. 8743-8751. ISSN 0953-8984

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Abstract

Most solid-state electronic structure calculations are based on quantum electrons and classical nuclei. These calculations either omit quantum zeropoint motion and tunnelling, or estimate it in an extra step. Such quantum effects are especially significant for light nuclei, such as the proton or its analogue, mu(+). We propose a simple approach to including such quantum behaviour, in a form readily integrated with standard electronic structure calculations. This approach is demonstrated for a number of vacancy-containing defect complexes in diamond. Our results suggest that for the NHV(-) complex, quantum motion of the proton between three equivalent potential energy minima is sufficiently rapid to time-average measurements At X-band frequencies.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Physics: Condensed Matter
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
71581
Deposited By:
Deposited On:
31 Oct 2014 16:46
Refereed?:
Yes
Published?:
Published
Last Modified:
18 Nov 2020 12:26