Semi-Classical Model for the Dephasing of a Two-Electron Spin Qubit Coupled to a Coherently Evolving Nuclear Spin Bath
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Semi-Classical Model for the Dephasing of a Two-Electron Spin Qubit Coupled to a Coherently Evolving Nuclear Spin Bath
| Title: | Semi-Classical Model for the Dephasing of a Two-Electron Spin Qubit Coupled to a Coherently Evolving Nuclear Spin Bath |
| Author: |
Neder, Izhar; Rudner, Mark; Bluhm, Hendrik; Foletti, Sandra; Halperin, Bertrand I.; Yacoby, Amir
Note: Order does not necessarily reflect citation order of authors. |
| Citation: | Neder, Izhar, Mark Rudner, Hendrikn Bluhm, Sandra Foletti, Bertrand Halperin, and Amir Yacoby. 2011. Semi-classical model for the dephasing of a two-electron spin qubit coupled to a coherently evolving nuclear spin bath. Physical Review B 84(3): 035441. |
| Full Text & Related Files: |
1103.4862v2.pdf (293.3Kb; PDF) 
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| Abstract: | We study electron spin decoherence in a two-electron double quantum dot due to the hyperfine interaction, under spin-echo conditions as studied in recent experiments. We develop a semi-classical model for the interaction between the electron and nuclear spins, in which the time-dependent Overhauser fields induced by the nuclear spins are treated as classical vector variables. Comparison of the model with experimentally-obtained echo signals allows us to quantify the contributions of various processes such as coherent Larmor precession and spin diffusion to the nuclear spin evolution. |
| Published Version: | doi:10.1103/PhysRevB.84.035441 |
| Terms of Use: | This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP |
| Citable link to this page: | http://nrs.harvard.edu/urn-3:HUL.InstRepos:7480858 |
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