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1 year ago in Computational Physics , Physics By Dereth

How are PHINT and NPBOS codes used in nuclear structure studies?

I'm starting my postdoc in nuclear structure theory, and my advisor mentioned these codes. I understand they're for shell-model calculations, but I'm unclear on their specific niches and how they fit into a typical research workflow compared to other packages.

 

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By Nitin Answered 4 months ago

These are specialized workhorses for large-scale shell-model diagonalization. In my projects, we use them in a pipeline. NPBOS is crucial for generating the many-body Hamiltonian matrix elements in a optimized, truncated model space. Its output then feeds directly into PHINT, which performs the massive matrix diagonalization to compute eigenstates the nuclear energy levels and wavefunctions. I would recommend studying the ANTOINE or KSHELL packages as well, which represent more modern evolutions of this essential computational methodology.

 

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