Test of the Equivalence Principle for Superconductors
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arXiv
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| Format: | Preprint |
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2024
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| author | Ross, M. P. Fleischer, S. M. Paulson, I. A. Lamb, P. Iritani, B. M. Adelberger, E. G. Hagedorn, C. A. Venkateswara, K. Gettings, C. Shaw, E. A. Apple, S. K. Gundlach, J. H. |
| author_facet | Ross, M. P. Fleischer, S. M. Paulson, I. A. Lamb, P. Iritani, B. M. Adelberger, E. G. Hagedorn, C. A. Venkateswara, K. Gettings, C. Shaw, E. A. Apple, S. K. Gundlach, J. H. |
| contents | We searched for violations of the weak equivalence principle using a cryogenic torsion balance with a pendulum comprised of superconducting niobium and copper. We constrain the Eötvös parameter with 95%-confidence to $η_{\text{Nb*-Cu}}~\leq~2.0\times10^{-9}$ and $η_{\text{CP-ee}}\leq9.2\times10^{-4}$ for superconducting niobium and Cooper pairs, respectively. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_21232 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Test of the Equivalence Principle for Superconductors Ross, M. P. Fleischer, S. M. Paulson, I. A. Lamb, P. Iritani, B. M. Adelberger, E. G. Hagedorn, C. A. Venkateswara, K. Gettings, C. Shaw, E. A. Apple, S. K. Gundlach, J. H. General Relativity and Quantum Cosmology Superconductivity We searched for violations of the weak equivalence principle using a cryogenic torsion balance with a pendulum comprised of superconducting niobium and copper. We constrain the Eötvös parameter with 95%-confidence to $η_{\text{Nb*-Cu}}~\leq~2.0\times10^{-9}$ and $η_{\text{CP-ee}}\leq9.2\times10^{-4}$ for superconducting niobium and Cooper pairs, respectively. |
| title | Test of the Equivalence Principle for Superconductors |
| topic | General Relativity and Quantum Cosmology Superconductivity |
| url | https://arxiv.org/abs/2407.21232 |