Enhancement and suppression of nonsequential double ionization by spatially inhomogeneous fields
Xuan Luo,
Li Guang Jiao,
Aihua Liu
et al.
Abstract:Using the three-dimensional classical ensemble approach, we theoretically investigate the nonsequential double ionization of argon atoms in an intense laser field enhanced by bowtie-nanotip. We observe an anomalous decrease in the double ionization yield as the laser intensity increases, along with a significant gap in the low momentum of photoelectrons. According to our theoretical analysis, the finite range of the induced field by the nanostructure is the fundamental cause of the decline in double ionization… Show more
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