Coupling of the Larmor precession to the correlated motion of pairs of nuclear spins in noble metals

The coupling of the Larmor line to pairs of nuclear spins being flipped by one photon is studied for the nuclear-spin system in the noble metals. The coupling parameter has been evaluated using the spherical model. The separation of the NMR frequencies of the Larmor line and the double-spin-flip lin...

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Veröffentlicht in:Physical review. B, Condensed matter Condensed matter, 1993-11, Vol.48 (18), p.14020-14022
Hauptverfasser: MOYLAND, P. L, PRADEEP KUMAR XU, J, TAKANO, Y
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Sprache:eng
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Zusammenfassung:The coupling of the Larmor line to pairs of nuclear spins being flipped by one photon is studied for the nuclear-spin system in the noble metals. The coupling parameter has been evaluated using the spherical model. The separation of the NMR frequencies of the Larmor line and the double-spin-flip line is calculated. The anticrossing feature in the Larmor-line frequency due to the coupling of the two modes is calculated in order to determine if the strength of the Ruderman-Kittel exchange interaction can be measured in Ag and Au.
ISSN:0163-1829
1095-3795
DOI:10.1103/PhysRevB.48.14020