Self-energy Corrections in GRASP2K:
Update of the RCI program with code for QED Investigations
------------------------------------------------------------

The codes provided here are built upon the RCI3 program from
the GRASP2K v1.1 package, developed by P. Jonsson, G. Gaigalas, 
J. Bieron, C. Froese-Fischer, and I. P. Grant.

The modifications are based on an interpretation of Welton's
idea for self-energy calculation, as originally detailed by
J.A. Lowe, C.T. Chantler, and I.P. Grant, Radiation Physics &
Chemistry, 85, 118-123 (2013).

The program has been named RCI4 to avoid any confusion with
earlier versions. Files that are changed during the installation
process have been copied with the suffix '_orig_v1_1' added.

Example scripts for implementing the new methods are given in
the folder called lcg-welton.



		ACKNOWLEDGEMENTS

The authors would like to thank Per Jonsson, Charlotte 
Frose-Fischer, and Gediminas Gaigalas for extensive feedback 
and helpful recommendations during the development of this
work.


Development performed by:

T.V.B. Nguyen
J.A. Lowe
T.L.H. Pham
I.P. Grant
C.T. Chantler		Email: chantler@unimelb.edu.au

=================================================================
		INSTALLATION INSTRUCTION
=================================================================

1. Unpack the rci4.tar.gz into the grasp2K_v1_1 directory. After
   unpacking, this should look like .../grasp2K_v1_1/package/

2. The appropriate environment for grasp2K_v1_1 must be set, as
   per the instruction given with the GRASP2K v1.1 package. That
   is, change the path in the make-environment_??? file to the
   correct directory, then go to the grasp2K_v1_1 directory and 
   type

	source make-environment_???

   where ??? is the compiler (see README of grasp2K_v1_1 package)

3. Go to /grasp2K_v1_1/package/

4. Execute the installation script by typing

	./install_package



=================================================================
		SAMPLE CALCULATIONS
=================================================================
A few scripts of sample calculations have been provided in the 
folder called 'benchmark', accompanied by individual instruction
given in the README files.

































