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Abstract
This erratum to our Letter [Opt. Lett. 36, 3530 (2011) [CrossRef] ] corrects minor errors. The computations are expected to be minorly influenced, and the conclusions of the original Letter are not affected.
© 2023 Optica Publishing Group
Both Refs. [1] and [2] focus only on the valence and core electrons with a vanishing magnetic quantum number, whereas Ref. [3] treats the full problem.
In Ref. [1], Eq. (4), there is a unit matrix ${\boldsymbol{\mathbb{1}}}$ missing after $(\vec k^2 + 2 \, {\cal {I}}_{\mathrm {P}})$. See Eq. (29) in [3].
In Ref. [1], Eq. (5), a prefactor of $(-1)^{\delta _{i c}}$ is missing after the first sum sign, similar to Eq. (63) in [3] without the factor $2 \pi$.
In Ref. [1], Eq. (6), the factor $1 / (2\pi )$ was not included in the definition of the HH line shape (65) of [3] and integration started at $0$ instead of $\tau$:
In Ref. [1], Eq. (7) should have been expressed in terms of partial derivatives $\partial$. See Eq. (69) in [3].
Ref. 8 in Ref. [1] is published as [2,3].
Disclosures
The authors declare no conflicts of interest.
REFERENCES
1. C. Buth, M. C. Kohler, J. Ullrich, and C. H. Keitel, Opt. Lett. 36, 3530 (2011). [CrossRef]
2. M. C. Kohler, C. Müller, C. Buth, A. B. Voitkiv, K. Z. Hatsagortsyan, J. Ullrich, T. Pfeifer, and C. H. Keitel, in Multiphoton Processes and Attosecond Physics, Vol. 125 of Springer Proceedings in Physics, K. Yamanouchi and K. Midorikawa, eds. (Springer, Berlin, Heidelberg, 2012).
3. C. Buth, Eur. Phys. J. D 69, 234 (2015). [CrossRef]
4. M. Lewenstein, P. Balcou, M. Y. Ivanov, A. L’Huillier, and P. B. Corkum, Phys. Rev. A 49, 2117 (1994). [CrossRef]