Double-quantum-coherence attosecond x-ray spectroscopy of spatially separated, spectrally overlapping core-electron transitions

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dc.creatorSchweigert, Igor V.
dc.creatorMukamel, Shaul
dc.date2008-11-19
dc.date.accessioned2026-07-07T10:19:31Z
dc.date.available2026-07-07T10:19:31Z
dc.descriptionX-ray four-wave mixing signals generated in the $k_1 + k_2 - k_3$ phase-matching direction are simulated for N1s transitions in para-nitroanline and two-ring hydrocarbons disubstituted with an amine and a nitroso groups. The two-dimensional x-ray correlation spectra (2DXCS) provide background-free probes of couplings between core-electron transitions even for multiple core shells of the same type. Features attributed to couplings between spatially-separated core transitions connected by delocalized valence excitations provide information about molecular geometry and electronic structure unavailable from linear near-edge x-ray absorption (XANES).
dc.description21 pages, 9 figures
dc.identifierhttps://arxiv.org/abs/0811.3162
dc.identifierhttp://arxiv.org/abs/0811.3162
dc.identifierPhys. Rev. A 78, 052509 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.052509
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/174540
dc.subjectAtomic Physics
dc.subjectQuantum Physics
dc.titleDouble-quantum-coherence attosecond x-ray spectroscopy of spatially separated, spectrally overlapping core-electron transitions
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