Single Photon-Induced Symmetry Breaking of H 2 Dissociation
H 2 , the smallest and most abundant molecule in the universe, has a perfectly symmetric ground state. What does it take to break this symmetry? We found that the inversion symmetry can be broken by absorption of a linearly polarized photon, which itself has inversion symmetry. In particular, the em...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2007-02, Vol.315 (5812), p.629-633 |
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| container_title | Science (American Association for the Advancement of Science) |
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| creator | Martín, F. Fernández, J. Havermeier, T. Foucar, L. Weber, Th Kreidi, K. Schöffler, M. Schmidt, L. Jahnke, T. Jagutzki, O. Czasch, A. Benis, E. P. Osipov, T. Landers, A. L. Belkacem, A. Prior, M. H. Schmidt-Böcking, H. Cocke, C. L. Dörner, R. |
| description | H
2
, the smallest and most abundant molecule in the universe, has a perfectly symmetric ground state. What does it take to break this symmetry? We found that the inversion symmetry can be broken by absorption of a linearly polarized photon, which itself has inversion symmetry. In particular, the emission of a photoelectron with subsequent dissociation of the remaining H
+
2
fragment shows no symmetry with respect to the ionic H
+
and neutral H atomic fragments. This lack of symmetry results from the entanglement between symmetric and antisymmetric H
+
2
states that is caused by autoionization. The mechanisms behind this symmetry breaking are general for all molecules. |
| doi_str_mv | 10.1126/science.1136598 |
| format | Article |
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2
, the smallest and most abundant molecule in the universe, has a perfectly symmetric ground state. What does it take to break this symmetry? We found that the inversion symmetry can be broken by absorption of a linearly polarized photon, which itself has inversion symmetry. In particular, the emission of a photoelectron with subsequent dissociation of the remaining H
+
2
fragment shows no symmetry with respect to the ionic H
+
and neutral H atomic fragments. This lack of symmetry results from the entanglement between symmetric and antisymmetric H
+
2
states that is caused by autoionization. The mechanisms behind this symmetry breaking are general for all molecules.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.1136598</identifier><language>eng</language><ispartof>Science (American Association for the Advancement of Science), 2007-02, Vol.315 (5812), p.629-633</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c212t-9d00cc5fbcf50971719c674feee162b8c92a46eec184e7f32af3c022af328b33</citedby><cites>FETCH-LOGICAL-c212t-9d00cc5fbcf50971719c674feee162b8c92a46eec184e7f32af3c022af328b33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,2871,2872,27901,27902</link.rule.ids></links><search><creatorcontrib>Martín, F.</creatorcontrib><creatorcontrib>Fernández, J.</creatorcontrib><creatorcontrib>Havermeier, T.</creatorcontrib><creatorcontrib>Foucar, L.</creatorcontrib><creatorcontrib>Weber, Th</creatorcontrib><creatorcontrib>Kreidi, K.</creatorcontrib><creatorcontrib>Schöffler, M.</creatorcontrib><creatorcontrib>Schmidt, L.</creatorcontrib><creatorcontrib>Jahnke, T.</creatorcontrib><creatorcontrib>Jagutzki, O.</creatorcontrib><creatorcontrib>Czasch, A.</creatorcontrib><creatorcontrib>Benis, E. P.</creatorcontrib><creatorcontrib>Osipov, T.</creatorcontrib><creatorcontrib>Landers, A. L.</creatorcontrib><creatorcontrib>Belkacem, A.</creatorcontrib><creatorcontrib>Prior, M. H.</creatorcontrib><creatorcontrib>Schmidt-Böcking, H.</creatorcontrib><creatorcontrib>Cocke, C. L.</creatorcontrib><creatorcontrib>Dörner, R.</creatorcontrib><title>Single Photon-Induced Symmetry Breaking of H 2 Dissociation</title><title>Science (American Association for the Advancement of Science)</title><description>H
2
, the smallest and most abundant molecule in the universe, has a perfectly symmetric ground state. What does it take to break this symmetry? We found that the inversion symmetry can be broken by absorption of a linearly polarized photon, which itself has inversion symmetry. In particular, the emission of a photoelectron with subsequent dissociation of the remaining H
+
2
fragment shows no symmetry with respect to the ionic H
+
and neutral H atomic fragments. This lack of symmetry results from the entanglement between symmetric and antisymmetric H
+
2
states that is caused by autoionization. The mechanisms behind this symmetry breaking are general for all molecules.</description><issn>0036-8075</issn><issn>1095-9203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNotj01LxDAURYMoWEfXbvMH6rwkbdrgSsePGRhQmNmX9PVFo9NGkrqYf28Huzpc7uXCYexWwJ0QUi8TehqQpqB0aeozlgkwZW4kqHOWASid11CVl-wqpS-AqTMqY_c7P3wciL9_hjEM-WbofpE6vjv2PY3xyB8j2e9pwoPjay75k08poLejD8M1u3D2kOhm5oLtX573q3W-fXvdrB62OUohx9x0AIila9GVYCpRCYO6KhwRCS3bGo20hSZCURdUOSWtUwjyBFm3Si3Y8v8WY0gpkmt-ou9tPDYCmpN6M6s3s7r6AzxOTdA</recordid><startdate>20070202</startdate><enddate>20070202</enddate><creator>Martín, F.</creator><creator>Fernández, J.</creator><creator>Havermeier, T.</creator><creator>Foucar, L.</creator><creator>Weber, Th</creator><creator>Kreidi, K.</creator><creator>Schöffler, M.</creator><creator>Schmidt, L.</creator><creator>Jahnke, T.</creator><creator>Jagutzki, O.</creator><creator>Czasch, A.</creator><creator>Benis, E. P.</creator><creator>Osipov, T.</creator><creator>Landers, A. L.</creator><creator>Belkacem, A.</creator><creator>Prior, M. H.</creator><creator>Schmidt-Böcking, H.</creator><creator>Cocke, C. L.</creator><creator>Dörner, R.</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20070202</creationdate><title>Single Photon-Induced Symmetry Breaking of H 2 Dissociation</title><author>Martín, F. ; Fernández, J. ; Havermeier, T. ; Foucar, L. ; Weber, Th ; Kreidi, K. ; Schöffler, M. ; Schmidt, L. ; Jahnke, T. ; Jagutzki, O. ; Czasch, A. ; Benis, E. P. ; Osipov, T. ; Landers, A. L. ; Belkacem, A. ; Prior, M. H. ; Schmidt-Böcking, H. ; Cocke, C. L. ; Dörner, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c212t-9d00cc5fbcf50971719c674feee162b8c92a46eec184e7f32af3c022af328b33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Martín, F.</creatorcontrib><creatorcontrib>Fernández, J.</creatorcontrib><creatorcontrib>Havermeier, T.</creatorcontrib><creatorcontrib>Foucar, L.</creatorcontrib><creatorcontrib>Weber, Th</creatorcontrib><creatorcontrib>Kreidi, K.</creatorcontrib><creatorcontrib>Schöffler, M.</creatorcontrib><creatorcontrib>Schmidt, L.</creatorcontrib><creatorcontrib>Jahnke, T.</creatorcontrib><creatorcontrib>Jagutzki, O.</creatorcontrib><creatorcontrib>Czasch, A.</creatorcontrib><creatorcontrib>Benis, E. P.</creatorcontrib><creatorcontrib>Osipov, T.</creatorcontrib><creatorcontrib>Landers, A. L.</creatorcontrib><creatorcontrib>Belkacem, A.</creatorcontrib><creatorcontrib>Prior, M. H.</creatorcontrib><creatorcontrib>Schmidt-Böcking, H.</creatorcontrib><creatorcontrib>Cocke, C. L.</creatorcontrib><creatorcontrib>Dörner, R.</creatorcontrib><collection>CrossRef</collection><jtitle>Science (American Association for the Advancement of Science)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Martín, F.</au><au>Fernández, J.</au><au>Havermeier, T.</au><au>Foucar, L.</au><au>Weber, Th</au><au>Kreidi, K.</au><au>Schöffler, M.</au><au>Schmidt, L.</au><au>Jahnke, T.</au><au>Jagutzki, O.</au><au>Czasch, A.</au><au>Benis, E. P.</au><au>Osipov, T.</au><au>Landers, A. L.</au><au>Belkacem, A.</au><au>Prior, M. H.</au><au>Schmidt-Böcking, H.</au><au>Cocke, C. L.</au><au>Dörner, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Single Photon-Induced Symmetry Breaking of H 2 Dissociation</atitle><jtitle>Science (American Association for the Advancement of Science)</jtitle><date>2007-02-02</date><risdate>2007</risdate><volume>315</volume><issue>5812</issue><spage>629</spage><epage>633</epage><pages>629-633</pages><issn>0036-8075</issn><eissn>1095-9203</eissn><abstract>H
2
, the smallest and most abundant molecule in the universe, has a perfectly symmetric ground state. What does it take to break this symmetry? We found that the inversion symmetry can be broken by absorption of a linearly polarized photon, which itself has inversion symmetry. In particular, the emission of a photoelectron with subsequent dissociation of the remaining H
+
2
fragment shows no symmetry with respect to the ionic H
+
and neutral H atomic fragments. This lack of symmetry results from the entanglement between symmetric and antisymmetric H
+
2
states that is caused by autoionization. The mechanisms behind this symmetry breaking are general for all molecules.</abstract><doi>10.1126/science.1136598</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Science (American Association for the Advancement of Science), 2007-02, Vol.315 (5812), p.629-633 |
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| source | American Association for the Advancement of Science; Jstor Complete Legacy |
| title | Single Photon-Induced Symmetry Breaking of H 2 Dissociation |
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