Generalization of Keldysh’s theory
K. MishimaInstitute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10764, Taiwan, Republic of ChinaMichitoshi HayashiCenter for Condensed Matter Sciences, National Taiwan University, Taipei 106, Taiwan, Republic of ChinaJuemin YiInstitute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10764, Taiwan, Republic of ChinaS. H. LinInstitute of Atomic and Molecular Sciences, Academia Sinica, P.O. Box 23-166, Taipei 10764, Taiwan, Republic of ChinaH. L. SelzleInstitute of Physical and Theoretical Chemistry, Technical University of Munich, Garching, GermanyE. W. SchlagInstitute of Physical and Theoretical Chemistry, Technical University of Munich, Garching, Germany
2002en
ABI
Annotatsiya
In this paper, we generalize and improve the derivation of photoionization rate formula for one-electron atoms proposed by Keldysh [Zh. Eksp. Teor. Fiz. 47, 1945 (1964) [Sov. Phys. JETP 20, 1307 (1965)]]. More exact expressions of the photoionization rate in the tunneling regime have been obtained. In addition, we extend the derivation to photoionization rates of randomly oriented diatomic molecules.
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