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Manuscript Title: QEDMOD: Fortran program for calculating the model Lamb-shift operator
Authors: V. M. Shabaev, I. I. Tupitsyn, V. A. Yerokhin
Program title: QEDMOD
Catalogue identifier: AEVE_v1_0
Distribution format: tar.gz
Journal reference: Comput. Phys. Commun. 189(2015)175
Programming language: Fortran 77.
Computer: PCs or higher performance computers.
Operating system: Linux, Windows, MacOS.
RAM: Kilobytes.
Keywords: QED effects, Lamb shift, energy levels.
Classification: 2.1.

Nature of problem:
Fortran code for computation of a model QED operator that approximates the Lamb shift in many-electron atoms.

Solution method:
The method of solution is based on the algorithm developed in Ref. [1].

Running time:

[1] V. M. Shabaev, I. I. Tupitsyn, and V. A. Yerokhin, Model operator approach to the Lamb shift calculations in relativistic many-electron atoms, Phys. Rev. A, 88 (2013) 012513.