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qp2/src/ao_two_e_ints
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Pierre Loos 5e732b0f61 modified stuffs
2019-05-23 16:06:37 +02:00
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EZFIO.cfg Initial commit 2019-01-25 11:39:31 +01:00
gauss_legendre.irp.f Initial commit 2019-01-25 11:39:31 +01:00
integrals_in_map_slave.irp.f Initial commit 2019-01-25 11:39:31 +01:00
map_integrals.irp.f modified stuffs 2019-05-23 16:06:37 +02:00
NEED Initial commit 2019-01-25 11:39:31 +01:00
README.rst Initial commit 2019-01-25 11:39:31 +01:00
two_e_integrals.irp.f Warnings in documentation 2019-01-29 17:09:08 +01:00

README.rst 

==================
ao_two_e_ints
==================

Here, all two-electron integrals (:math:`1/r_{12}`) are computed.
As they have 4 indices and many are zero, they are stored in a map, as defined
in :file:`utils/map_module.f90`.

To fetch an |AO| integral, use the
`get_ao_two_e_integral(i,j,k,l,ao_integrals_map)` function.


The conventions are:
* For |AO| integrals : (ij|kl) = (11|22) = <ik|jl> = <12|12>