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Attosecond time delay in the photoionization of endohedral atomsA@C60: A probe of confinement resonances

P. C. Deshmukh, A. Mandal, S. Saha, A. S. Kheifets, V. K. Dolmatov, S. T. Manson
2014 Physical Review A. Atomic, Molecular, and Optical Physics  

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2014 pre-print arXiv:1402.2348v1 fatcat:odu7f352lvecpfoiguymc2k5ji
The effects of confinement resonances on photoelectron group delay (Wigner time delay) following ionization of an atom encapsulated inside a C_60 cage have been studied theoretically using both relativistic and non-relativistic random phase approximations. The results indicate clearly the resonant character of the confinement oscillations in time delay of the 4d shell of Xe@C_60 and present a most direct manifestation of Wigner time delay. These oscillations were missed in a previous theoretical investigation of Ar@C_60 [PRL 111, 203003 (2013)]
doi:10.1103/physreva.89.053424 fatcat:fc6gq5yrtrcc7b3v4np5eluu7m
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P. C. Deshmukh, A. Mandal, S. Saha, A. S. Kheifets, V. K. Dolmatov, S. T. Manson. "Attosecond time delay in the photoionization of endohedral atomsA@C60: A probe of confinement resonances." Physical Review A. Atomic, Molecular, and Optical Physics 89.5 (2014)