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Express"],"published-print":{"date-parts":[[2024,5,20]]},"abstract":"<jats:p>\n                    Accurate emission times of high-order harmonic generation (HHG) are vital for high-precision ultrafast detection in attosecond science, but a quantitative analysis of Coulomb effects on this time is absent in the molecular HHG. Here, we investigate the Coulomb-induced emission-time shift in HHG of H\n                    <jats:sub>2<\/jats:sub>\n                    <jats:sup>+<\/jats:sup>\n                    with two different internuclear distances\n                    <jats:italic toggle=\"yes\">R<\/jats:italic>\n                    , where the times obtained via the Gabor transform of numerical data from solving the time-dependent Schr\u00f6dinger equation are used as simulation experiment results. Based on the molecular strong-field approximation, we develop a trajectory-resolved classical model that takes into account the molecular two-center structure. By selecting appropriate electron trajectories and including Coulomb interactions, the classical trajectory method can reproduce Gabor emission times well. This consistence reveals that Coulomb tails cause an emission-time shift of \u223c35\u2005as at the\n                    <jats:italic toggle=\"yes\">R<\/jats:italic>\n                    \u2009=\u20092.0\u2005a.u. case and of \u223c40-60\u2005as at the\n                    <jats:italic toggle=\"yes\">R<\/jats:italic>\n                    \u2009=\u20092.6\u2005a.u. case under the present laser parameters when compared to the Coulomb-free quantum-orbit model. Our results are of significance to probe the attosecond dynamics via two-center interference.\n                  <\/jats:p>","DOI":"10.1364\/oe.522826","type":"journal-article","created":{"date-parts":[[2024,5,2]],"date-time":"2024-05-02T11:00:13Z","timestamp":1714647613000},"page":"18984","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Coulomb-induced emission time shifts in high-order harmonic generation from H2+"],"prefix":"10.1364","volume":"32","author":[{"given":"Yangyang","family":"Li","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01mkqqe32","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Siqi","family":"Song","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01mkqqe32","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongkang","family":"Han","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01mkqqe32","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2510-4434","authenticated-orcid":true,"given":"Shengjun","family":"Yue","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01mkqqe32","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongchuan","family":"Du","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01mkqqe32","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2024,5,8]]},"reference":[{"key":"oe-32-11-18984-R1","doi-asserted-by":"publisher","first-page":"545","DOI":"10.1103\/RevModPhys.72.545","volume":"72","author":"Brabec","year":"2000","journal-title":"Rev. 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