Quantum theory of spectral-diffusion-induced electron spin decoherence
- 18 October 2005
- journal article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 72 (16)
- https://doi.org/10.1103/physrevb.72.161306
Abstract
A quantum cluster expansion method is developed for the problem of localized electron spin decoherence due to dipolar fluctuations of lattice nuclear spins. At the lowest order it provides a microscopic explanation for the Lorentzian diffusion of Hahn echoes without resorting to any phenomenological Markovian assumption. Our numerical results show remarkable agreement with recent electron spin echo experiments in phosphorus doped silicon.Comment: 5 pages, 1 figurKeywords
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