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Long-lived heteronuclear spin-singlet states in liquids at a zero magnetic field

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Long-lived heteronuclear spin-singlet states in liquids at a zero magnetic field

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dc.contributor.author Emondts, Meike pl
dc.contributor.author Ledbetter, Micah P. pl
dc.contributor.author Pustelny, Szymon [SAP11019465] pl
dc.contributor.author Theis, Thomas pl
dc.contributor.author Patton, Brian pl
dc.contributor.author Blanchard, John W. pl
dc.contributor.author Butler, Mark C. pl
dc.contributor.author Budker, Dmitry pl
dc.contributor.author Pines, Alexander pl
dc.date.accessioned 2015-01-23T11:05:31Z
dc.date.available 2015-01-23T11:05:31Z
dc.date.issued 2014 pl
dc.identifier.issn 0031-9007 pl
dc.identifier.uri http://ruj.uj.edu.pl/xmlui/handle/item/2704
dc.language eng pl
dc.rights Dodaję tylko opis bibliograficzny *
dc.rights.uri *
dc.title Long-lived heteronuclear spin-singlet states in liquids at a zero magnetic field pl
dc.type JournalArticle pl
dc.abstract.en We report an observation of long-lived spin-singlet states in a   C−H113 spin pair in a zero magnetic field. In C13-labeled formic acid, we observe spin-singlet lifetimes as long as 37 s, about a factor of 3 longer than the T1 lifetime of dipole polarization in the triplet state. In contrast to common high-field experiments, the observed coherence is a singlet-triplet coherence with a lifetime T2 longer than the T1 lifetime of dipole polarization in the triplet manifold. Moreover, we demonstrate that heteronuclear singlet states formed between a H1 and a C13 nucleus can exhibit longer lifetimes than the respective triplet states even in the presence of additional spins that couple to the spin pair of interest. Although long-lived homonuclear spin-singlet states have been extensively studied, this is the first experimental observation of analogous singlet states in heteronuclear spin pairs. pl
dc.description.volume 112 pl
dc.description.number 7 pl
dc.description.publication 0,5 pl
dc.identifier.doi 10.1103/PhysRevLett.112.077601 pl
dc.identifier.eissn 1079-7114 pl
dc.identifier.eissn 1092-0145 pl
dc.title.journal Physical Review Letters pl
dc.language.container eng pl
dc.affiliation Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego pl
dc.subtype Article pl
dc.identifier.articleid 077601 pl
dc.rights.original bez licencji pl
.pointsMNiSW [2014 A]: 45


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