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118 lines
2.1 KiB
ReStructuredText
118 lines
2.1 KiB
ReStructuredText
.. _cisd:
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.. program:: cisd
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.. default-role:: option
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====
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cisd
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====
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This module contains a CISD program, built by setting the following rules:
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* The only generator determinant is the Hartree-Fock (single-reference method)
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* All generated determinants are included in the wave function (no perturbative
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selection)
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These rules are set in the ``H_apply.irp.f`` file.
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EZFIO parameters
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----------------
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.. option:: energy
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Variational |CISD| energy
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Subroutines / functions
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-----------------------
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.. c:function:: cisd
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.. code:: text
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subroutine cisd
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File: :file:`cisd.irp.f`
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Configuration Interaction with Single and Double excitations.
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.. c:function:: h_apply_cisd
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.. code:: text
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subroutine H_apply_cisd()
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File: :file:`h_apply.irp.f_shell_8`
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Calls H_apply on the |HF| determinant and selects all connected single and double excitations (of the same symmetry). Auto-generated by the ``generate_h_apply`` script.
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.. c:function:: h_apply_cisd_diexc
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.. code:: text
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subroutine H_apply_cisd_diexc(key_in, key_prev, hole_1,particl_1, hole_2, particl_2, fock_diag_tmp, i_generator, iproc_in )
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File: :file:`h_apply.irp.f_shell_8`
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.. c:function:: h_apply_cisd_diexcorg
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.. code:: text
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subroutine H_apply_cisd_diexcOrg(key_in,key_mask,hole_1,particl_1,hole_2, particl_2, fock_diag_tmp, i_generator, iproc_in )
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File: :file:`h_apply.irp.f_shell_8`
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Generate all double excitations of key_in using the bit masks of holes and particles. Assume N_int is already provided.
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.. c:function:: h_apply_cisd_diexcp
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.. code:: text
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subroutine H_apply_cisd_diexcP(key_in, fs1, fh1, particl_1, fs2, fh2, particl_2, fock_diag_tmp, i_generator, iproc_in )
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File: :file:`h_apply.irp.f_shell_8`
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.. c:function:: h_apply_cisd_monoexc
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.. code:: text
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subroutine H_apply_cisd_monoexc(key_in, hole_1,particl_1,fock_diag_tmp,i_generator,iproc_in )
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File: :file:`h_apply.irp.f_shell_8`
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Generate all single excitations of key_in using the bit masks of holes and particles. Assume N_int is already provided.
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