Single photon-induced symmetry breaking of H2 dissociation. Martín, F, Fernández, J, Havermeier, T, Foucar, L, Weber, T., 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 Science (New York, N.Y.), 315(5812):629–33, February, 2007. ![Single photon-induced symmetry breaking of H2 dissociation. [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex H2, 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.
@article{Martin2007a,
title = {Single photon-induced symmetry breaking of {H2} dissociation.},
volume = {315},
issn = {1095-9203},
url = {http://www.ncbi.nlm.nih.gov/pubmed/17272717},
doi = {10.1126/science.1136598},
abstract = {H2, 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.},
number = {5812},
urldate = {2014-11-04},
journal = {Science (New York, N.Y.)},
author = {Martín, F and Fernández, J and Havermeier, T and Foucar, L and Weber, Th and Kreidi, K and Schöffler, M and Schmidt, L and Jahnke, T and Jagutzki, O and Czasch, a and Benis, E P and Osipov, T and Landers, a L and Belkacem, a and Prior, M H and Schmidt-Böcking, H and Cocke, C L and Dörner, R},
month = feb,
year = {2007},
pmid = {17272717},
keywords = {\#nosource},
pages = {629--33},
}
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