High-precision measurement of microwave electric field by cavity-enhanced critical behavior in a many-body Rydberg atomic system Article Swipe
Qinxia Wang
,
Yukang Liang
,
Zhihui Wang
,
Shijun Guan
,
Pengfei Yang
,
Pengfei Zhang
,
Gang Li
,
Tiancai Zhang
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2502.19761
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2502.19761
It has been demonstrated that the Rydberg criticality in a many-body atomic system can enhance the measurement sensitivity of the microwave electric field by increasing the Fisher information. In our previous work, we proposed and experimentally verified that the Fisher information near the critical point can be increased by more than two orders of magnitude with the Rydberg atoms coupled with an optical cavity compared with that in free space. Here we demonstrate the precision measurement of the microwave electric field by cavity-enhanced critical behavior. We show that the equivalent measurement sensitivity of the microwave electric field can be enhanced by an order of magnitude compared with that in free space. The obtained sensitivity can be enhanced to 2.6 nV/cm/Hz$^{1/2}$.
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- preprint
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- http://arxiv.org/abs/2502.19761
- https://arxiv.org/pdf/2502.19761
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All OpenAlex metadata
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- DOI
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https://doi.org/10.48550/arxiv.2502.19761Digital Object Identifier
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High-precision measurement of microwave electric field by cavity-enhanced critical behavior in a many-body Rydberg atomic systemWork title
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preprintOpenAlex work type
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enPrimary language
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2025Year of publication
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2025-02-27Full publication date if available
- Authors
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Qinxia Wang, Yukang Liang, Zhihui Wang, Shijun Guan, Pengfei Yang, Pengfei Zhang, Gang Li, Tiancai ZhangList of authors in order
- Landing page
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https://arxiv.org/abs/2502.19761Publisher landing page
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https://arxiv.org/pdf/2502.19761Direct link to full text PDF
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YesWhether a free full text is available
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greenOpen access status per OpenAlex
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https://arxiv.org/pdf/2502.19761Direct OA link when available
- Cited by
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0Total citation count in OpenAlex
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