Second-Scale Coherence Measured at the Quantum Projection Noise Limit with Hundreds of Molecular Ions
Cold molecules provide an excellent platform for quantum information, cold chemistry, and precision measurement. Certain molecules have enhanced sensitivity to beyond Standard Model physics, such as the electron's electric dipole moment (\(e\)EDM). Molecular ions are easily trappable and are th...
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| creator | Zhou, Yan Shagam, Yuval Cairncross, William B Ng, Kia Boon Roussy, Tanya S Grogan, Tanner Boyce, Kevin Vigil, Antonio Pettine, Madeline Zelevinsky, Tanya Ye, Jun Cornell, Eric A |
| description | Cold molecules provide an excellent platform for quantum information, cold chemistry, and precision measurement. Certain molecules have enhanced sensitivity to beyond Standard Model physics, such as the electron's electric dipole moment (\(e\)EDM). Molecular ions are easily trappable and are therefore particularly attractive for precision measurements where sensitivity scales with interrogation time. Here, we demonstrate a spin precession measurement with second-scale coherence at the quantum projection noise (QPN) limit with hundreds of trapped molecular ions, chosen for their sensitivity to the \(e\)EDM rather than their amenability to state control and readout. Orientation-resolved resonant photodissociation allows us to simultaneously measure two quantum states with opposite \(e\)EDM sensitivity, reaching the QPN limit and fully exploiting the high count rate and long coherence. |
| doi_str_mv | 10.48550/arxiv.1907.03413 |
| format | Article |
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Certain molecules have enhanced sensitivity to beyond Standard Model physics, such as the electron's electric dipole moment (\(e\)EDM). Molecular ions are easily trappable and are therefore particularly attractive for precision measurements where sensitivity scales with interrogation time. Here, we demonstrate a spin precession measurement with second-scale coherence at the quantum projection noise (QPN) limit with hundreds of trapped molecular ions, chosen for their sensitivity to the \(e\)EDM rather than their amenability to state control and readout. Orientation-resolved resonant photodissociation allows us to simultaneously measure two quantum states with opposite \(e\)EDM sensitivity, reaching the QPN limit and fully exploiting the high count rate and long coherence.</description><subject>Coherence</subject><subject>Computer simulation</subject><subject>Mastering</subject><subject>Molecular ions</subject><subject>Organic chemistry</subject><subject>Physics - Atomic Physics</subject><subject>Physics - Chemical Physics</subject><subject>Standard model (particle physics)</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotkEtLw0AYRQdBsNT-AFcOuE6dd5KlFLWF1AftPkwmX-iUNFPn4ePfG1tXd3Pu5XIQuqFkLgopyb323_ZzTkuSzwkXlF-gCeOcZoVg7ArNQtgTQpjKmZR8gmADxg1ttjG6B7xwO_AwGMBr0CF5aLGOOO4Avyc9xHTAb97twUTrBvzibABc2YON-MvGHV6moR0rAbsOr10PJvXa45UbwjW67HQfYPafU7R9etwulln1-rxaPFSZloxnOQUCYJTKG51LqjopRMMbSvNCkbLVShjgTKuGMFE2nHWi7NhYoUbzFjrNp-j2PHtyUB-9PWj_U_-5qE8uRuLuTBy9-0gQYr13yQ_jp5oxKRgtCsH5L_ZsYgs</recordid><startdate>20200123</startdate><enddate>20200123</enddate><creator>Zhou, Yan</creator><creator>Shagam, Yuval</creator><creator>Cairncross, William B</creator><creator>Ng, Kia Boon</creator><creator>Roussy, Tanya S</creator><creator>Grogan, Tanner</creator><creator>Boyce, Kevin</creator><creator>Vigil, Antonio</creator><creator>Pettine, Madeline</creator><creator>Zelevinsky, Tanya</creator><creator>Ye, Jun</creator><creator>Cornell, Eric A</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20200123</creationdate><title>Second-Scale Coherence Measured at the Quantum Projection Noise Limit with Hundreds of Molecular Ions</title><author>Zhou, Yan ; 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| subjects | Coherence Computer simulation Mastering Molecular ions Organic chemistry Physics - Atomic Physics Physics - Chemical Physics Standard model (particle physics) |
| title | Second-Scale Coherence Measured at the Quantum Projection Noise Limit with Hundreds of Molecular Ions |
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