Constraints on a Spin-Dependent Exotic Interaction between Electrons with Single Electron Spin Quantum Sensors

Xing Rong; Man Jiao; Jianpei Geng; Bo Zhang; Tianyu Xie; Fazhan Shi; Chang Kui Duan; Yi Fu Cai; Jiangfeng Du

doi:10.1103/PhysRevLett.121.080402

Constraints on a Spin-Dependent Exotic Interaction between Electrons with Single Electron Spin Quantum Sensors

Xing Rong, Man Jiao, Jianpei Geng, Bo Zhang^*, Tianyu Xie, Fazhan Shi, Chang Kui Duan, Yi Fu Cai, Jiangfeng Du

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

A new laboratory bound on the axial-vector mediated interaction between electron spins at micrometer scale is established with single nitrogen-vacancy (NV) centers in diamond. A single crystal of p-terphenyl doped pentacene-d14 under laser pumping provides the source of polarized electron spins. Based on the measurement of polarization signal via nitrogen-vacancy centers, we set a constraint for the exotic electron-electron coupling gAegAe, within the force range from 10 to 900 μm. The obtained upper bound of the coupling at 500 μm is g4≤1.8×10-19, which is one order of magnitude more stringent than a previous experiment. Our result shows that the NV center can be a promising platform for searching for new particles predicted by theories beyond the standard model.

Original language	English
Article number	080402
Journal	Physical Review Letters
Volume	121
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.121.080402
Publication status	Published - 22 Aug 2018
Externally published	Yes

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Rong, X., Jiao, M., Geng, J., Zhang, B., Xie, T., Shi, F., Duan, C. K., Cai, Y. F., & Du, J. (2018). Constraints on a Spin-Dependent Exotic Interaction between Electrons with Single Electron Spin Quantum Sensors. Physical Review Letters, 121(8), Article 080402. https://doi.org/10.1103/PhysRevLett.121.080402

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abstract = "A new laboratory bound on the axial-vector mediated interaction between electron spins at micrometer scale is established with single nitrogen-vacancy (NV) centers in diamond. A single crystal of p-terphenyl doped pentacene-d14 under laser pumping provides the source of polarized electron spins. Based on the measurement of polarization signal via nitrogen-vacancy centers, we set a constraint for the exotic electron-electron coupling gAegAe, within the force range from 10 to 900 μm. The obtained upper bound of the coupling at 500 μm is g4≤1.8×10-19, which is one order of magnitude more stringent than a previous experiment. Our result shows that the NV center can be a promising platform for searching for new particles predicted by theories beyond the standard model.",

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AU - Rong, Xing

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AU - Geng, Jianpei

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AU - Xie, Tianyu

AU - Shi, Fazhan

AU - Duan, Chang Kui

AU - Cai, Yi Fu

AU - Du, Jiangfeng

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Constraints on a Spin-Dependent Exotic Interaction between Electrons with Single Electron Spin Quantum Sensors

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