RCI contribution of H

[AnjaApp]

The RCI module adds QED corrections like the Breit-interaction and self energy. But it also has the option "Include contribution of H (Transverse)?" to which I wasn't able to find more information in the literature about Grasp*.

What does it mean? Is it connected to the photon transverse or something different? I would appreciate some related literature and/or formula if possible.

Thanks a lot,
Anja

*(the referred to literature Advanced multiconfiguration methods for complex
atoms: I. Energies and wave functions ; An Introduction to Relativistic Theory as Implemented in GRASP )

[tspejo]

Dear Anja The transverse photon interaction is discussed in I.P. Grant, Relativistic Quantum Theory of Atoms and Molecules, chapter 4. See also https://iopscience.iop.org/article/10.1088/0022-3700/13/14/007/meta where it is referred to as the transverse electron-electron interaction. Best wishes Per

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________________________________ From: AnjaApp ***@***.***> Sent: Sunday, February 12, 2023 5:02 PM To: compas/grasp ***@***.***> Cc: Subscribed ***@***.***> Subject: [compas/grasp] RCI contribution of H (Issue #102) The RCI module adds QED corrections like the Breit-interaction and self energy. But it also has the option "Include contribution of H (Transverse)?" to which I wasn't able to find more information in the literature about Grasp*. What does it mean? Is it connected to the photon transverse or something different? I would appreciate some related literature and/or formula if possible. Thanks a lot, Anja *(the referred to literature Advanced multiconfiguration methods for complex atoms: I. Energies and wave functions<https://iopscience.iop.org/article/10.1088/0953-4075/49/18/182004/pdf> ; An Introduction to Relativistic Theory as Implemented in GRASP<https://www.mdpi.com/2218-2004/11/1/7> ) — Reply to this email directly, view it on GitHub<#102>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/ADDLFVHLRGFHZ55K77PH6NLWXECQZANCNFSM6AAAAAAUZMEUCA>. You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>