Time delay in the recoiling valence-photoemission of Ar endohedrally confined in C${}_{60}$

Abstract

Effects of confinement and electron correlations on the relative time delay between the 3s and 3p photoemissions of Ar confined endohedrally in C${}_{60}$ are investigated using the time dependent local density approximation - a method that is also found to mostly agree with recent time delay measurements between the 3s and 3p subshells in atomic Ar. At energies in the neighborhood of 3p Cooper minimum, correlations with C${}_{60}$ electrons are found to induce opposite temporal effects in the emission of Ar 3p hybridized symmetrically versus that of Ar 3p hybridized antisymmetrically with C${}_{60}$. A recoil-type interaction model mediated by the confinement is found to best describe the phenomenon.

5 pages, 4 figures

References in corpus (3)

• Delay in atomic photoionization
• Time delay between photoemission from the 2p and 2s subshells of Neon
• Strong 3p -T1u Hybridization in Ar@C60

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