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 | Saam, Brian; Pugmire, Ronald J. | Gas-phase spin relaxation of 129Xe | We have completed an extensive study of 129Xe longitudinal spin relaxation in the gas phase, involving both intrinsic and extrinsic mechanisms. The dominant intrinsic relaxation is mediated by the formation of persistent Xe2 van der Waals dimers. The dependence of this relaxation on applied magnetic... | 129Xe; Gas-phase spin relaxation | 2008-10 |
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 | Wu, Yong-Shi | High-precision quasienergies for a driven two-level atom at the two-photon preresonance | A computation with unprecedented precision is presented for quasienergies of a two-level atom in a monochromatic radiation on the basis of a recently obtained exact expression [D.-S. Guo et al., Phys. Rev. A 73,023419 (2006)]. We start with the proof of an expression theorem. With this theorem the ... | Quasienergies; Preresonance; Floquet periodicity | 2008-02 |