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Controllable Non-Markovianity for a Spin Qubit in Diamond.
- Source :
-
Physical Review Letters . 8/10/2018, Vol. 121 Issue 6, p1-1. 1p. - Publication Year :
- 2018
-
Abstract
- We present a flexible scheme to realize non-Markovian dynamics of an electronic spin qubit, using a nitrogen-vacancy center in diamond where the inherent nitrogen spin serves as a regulator of the dynamics. By changing the population of the nitrogen spin, we show that we can smoothly tune the non-Markovianity of the electron spin's dynamics. Furthermore, we examine the decoherence dynamics induced by the spin bath to exclude other sources of non-Markovianity. The amount of collected measurement data is kept at a minimum by employing Bayesian data analysis. This allows for a precise quantification of the parameters involved in the description of the dynamics and a prediction of so far unobserved data points. [ABSTRACT FROM AUTHOR]
- Subjects :
- *DIAMONDS
*QUBITS
*VACANCIES in crystals
Subjects
Details
- Language :
- English
- ISSN :
- 00319007
- Volume :
- 121
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- Physical Review Letters
- Publication Type :
- Academic Journal
- Accession number :
- 131266367
- Full Text :
- https://doi.org/10.1103/PhysRevLett.121.060401