Journal article

Anisotropic electron-nuclear interactions in a rotating quantum spin bath

AA Wood, RM Goldblatt, RP Anderson, LCL Hollenberg, RE Scholten, AM Martin

PHYSICAL REVIEW B | AMER PHYSICAL SOC | Published : 2021

Abstract

The interaction between a central qubit spin and a surrounding bath of spins is critical to spin-based solid-state quantum sensing and quantum information processing. Spin-bath interactions are typically strongly anisotropic, and rapid physical rotation has long been used in solid-state nuclear magnetic resonance to simulate motional averaging of anisotropic interactions, such as dipolar coupling between nuclear spins. Here, we show that the interaction between electron spins of nitrogen-vacancy centers and a bath of C13 nuclear spins in a diamond rotated at up to 300 000 rpm introduces decoherence into the system via frequency modulation of the nuclear spin Larmor precession. The presence o..

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Grants

Awarded by Australian Research Council Discovery Scheme


Funding Acknowledgements

We thank L. T. Hall for fruitful discussions and comments on the manuscript. This work was supported by the Australian Research Council Discovery Scheme (DP190100949).