Atomic spin squeezing towards sub-shot-noise measurement of permanent electric dipole moment

T. Takano; M. Fuyama; H. Yamamoto; Y. Takahashi

doi:10.1063/1.2750781

Atomic spin squeezing towards sub-shot-noise measurement of permanent electric dipole moment

T. Takano, M. Fuyama, H. Yamamoto, Y. Takahashi

School of Human Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We have been studying laser-cooled and trapped atoms towards the detection of the permanent electric dipole moment (p-EDM). The existence of the p-EDM shows the CP-violation and its detection has significant implications for the test of the proposed elementary particle models. However, the current experimental accuracy has not yet reached the range of the predicted value of the standard model. Especially, a measurement error due to a shot noise is one of the important factors. To overcome the shot-noise limit, we are now trying to generate the atomic squeezed spin state.

Original language	English
Title of host publication	Proceedings of the 17th International Spin Physics Symposium
Pages	280-286
Number of pages	7
DOIs	https://doi.org/10.1063/1.2750781
Publication status	Published - 2007 Sep 24
Event	17th International Spin Physics Symposium - Kyoto, Japan Duration: 2006 Oct 2 → 2006 Oct 7

Publication series

Name	AIP Conference Proceedings
Volume	915
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	17th International Spin Physics Symposium
Country	Japan
City	Kyoto
Period	06/10/2 → 06/10/7

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Keywords

CP violation
QND
Shot noise
Squeezing
p-EDM

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Takano, T., Fuyama, M., Yamamoto, H., & Takahashi, Y. (2007). Atomic spin squeezing towards sub-shot-noise measurement of permanent electric dipole moment. In Proceedings of the 17th International Spin Physics Symposium (pp. 280-286). (AIP Conference Proceedings; Vol. 915). https://doi.org/10.1063/1.2750781

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AB - We have been studying laser-cooled and trapped atoms towards the detection of the permanent electric dipole moment (p-EDM). The existence of the p-EDM shows the CP-violation and its detection has significant implications for the test of the proposed elementary particle models. However, the current experimental accuracy has not yet reached the range of the predicted value of the standard model. Especially, a measurement error due to a shot noise is one of the important factors. To overcome the shot-noise limit, we are now trying to generate the atomic squeezed spin state.

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Access to Document

10.1063/1.2750781