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qp2/docs/source/programs/pt2.rst

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.. _pt2:
.. program:: pt2
===
pt2
===
Second order perturbative correction to the wave function contained
in the |EZFIO| directory.
This programs runs the stochastic |PT2| correction on all
:option:`determinants n_states` wave functions stored in the |EZFIO|
directory.
The main option for the |PT2| correction is the
:option:`perturbation pt2_relative_error` which is the relative
stochastic error on the |PT2| to reach before stopping the
sampling.
Needs:
.. hlist::
:columns: 3
* :c:data:`is_zmq_slave`
* :c:data:`mo_two_e_integrals_in_map`
* :c:data:`psi_energy`
* :c:data:`read_wf`
* :c:data:`threshold_generators`
Calls:
.. hlist::
:columns: 3
* :c:func:`run`
* :c:func:`run_slave_cipsi`
Touches:
.. hlist::
:columns: 3
* :c:data:`distributed_davidson`
* :c:data:`pt2_e0_denominator`
* :c:data:`pt2_stoch_istate`
* :c:data:`read_wf`
* :c:data:`selection_weight`
* :c:data:`state_average_weight`
* :c:data:`threshold_generators`