{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T19:55:29Z","timestamp":1790711729723,"version":"4.1.0"},"reference-count":53,"publisher":"American Physical Society (APS)","issue":"11","license":[{"start":{"date-parts":[[2025,3,20]],"date-time":"2025-03-20T00:00:00Z","timestamp":1742428800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["EXC-2111-390814868"],"award-info":[{"award-number":["EXC-2111-390814868"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["ZE 1096\/2-1"],"award-info":[{"award-number":["ZE 1096\/2-1"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100021825","name":"Munich Center for Quantum Science and Technology","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100021825","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.aps.org"],"crossmark-restriction":true},"short-container-title":["Phys. Rev. Lett."],"accepted":{"date-parts":[[2025,2,19]]},"abstract":"<jats:p>\n                    Polar polyatomic molecules provide an ideal but largely unexplored platform to encode qubits in rotational states. Here, we trap cold (100\u2013600\u00a0mK) formaldehyde (\n                    <a:math xmlns:a=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <a:mrow>\n                        <a:msub>\n                          <a:mrow>\n                            <a:mi mathvariant=\"normal\">H<\/a:mi>\n                          <\/a:mrow>\n                          <a:mrow>\n                            <a:mn>2<\/a:mn>\n                          <\/a:mrow>\n                        <\/a:msub>\n                        <a:mi>CO<\/a:mi>\n                      <\/a:mrow>\n                    <\/a:math>\n                    ) inside an electric box and perform a Ramsey-type experiment to observe long-lived (\n                    <d:math xmlns:d=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\">\n                      <d:mrow>\n                        <d:mo>\u223c<\/d:mo>\n                        <d:mn>100<\/d:mn>\n                        <d:mtext>\u2009<\/d:mtext>\n                        <d:mtext>\u2009<\/d:mtext>\n                        <d:mi>\u03bcs<\/d:mi>\n                      <\/d:mrow>\n                    <\/d:math>\n                    ) coherences between symmetry-protected molecular states with opposite rotation but identical orientation, representing a quasi-hidden molecular degree of freedom. As a result, the observed qubit is insensitive to the magnitude of an external electric field and depends only weakly on magnetic fields. Our findings provide a basis for future quantum and precision experiments with trapped cold molecules.\n                  <\/jats:p>","DOI":"10.1103\/physrevlett.134.113402","type":"journal-article","created":{"date-parts":[[2025,3,20]],"date-time":"2025-03-20T17:46:42Z","timestamp":1742492802000},"update-policy":"https:\/\/doi.org\/10.1103\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["Coherence of Symmetry-Protected Rotational Qubits in Cold Polyatomic Molecules"],"prefix":"10.1103","volume":"134","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-1877-1392","authenticated-orcid":true,"given":"Maximilian","family":"L\u00f6w","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vekys64","id-type":"ROR","asserted-by":"publisher"}],"name":"Max-Planck-Institut f\u00fcr Quantenoptik"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Ibr\u00fcgger","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vekys64","id-type":"ROR","asserted-by":"publisher"}],"name":"Max-Planck-Institut f\u00fcr Quantenoptik"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2770-0819","authenticated-orcid":true,"given":"Gerhard","family":"Rempe","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vekys64","id-type":"ROR","asserted-by":"publisher"}],"name":"Max-Planck-Institut f\u00fcr Quantenoptik"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3119-4210","authenticated-orcid":true,"given":"Martin","family":"Zeppenfeld","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01vekys64","id-type":"ROR","asserted-by":"publisher"}],"name":"Max-Planck-Institut f\u00fcr Quantenoptik"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"16","published-online":{"date-parts":[[2025,3,20]]},"reference":[{"key":"PhysRevLett.134.113402Cc1R1","volume-title":"Quantum Computation and Quantum Information","author":"M.\u2009A. 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All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright_statement","label":"Copyright statement","group":{"name":"copyright","label":"copyright"}},{"value":"2025","name":"copyright_year","label":"Copyright year","group":{"name":"copyright","label":"copyright"}},{"value":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/","name":"creative_commons_license","label":"Creative Commons license","group":{"name":"licenses","label":"Licenses"}},{"value":"\u00a92025 The authors","name":"copyright_holder","label":"Copyright holder","group":{"name":"copyright","label":"copyright"}}],"article-number":"113402"}}