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Updated: Jun 9, 2025

Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry
Published on: April 8, 2020
Construction of Continuous Collective Energy Landscapes for Large Amplitude Nuclear Many-Body Problems
Paul Carpentier1,2, Nathalie Pillet1,2, Denis Lacroix3
1<a href="https://ror.org/00kn4eb29">CEA, DAM, DIF</a>, 91297 Arpajon, France.
Abstract:
Several protocols are proposed to build continuous energy surfaces of many-body quantum systems, regarding both energy and states. The standard variational principle is augmented with constraints on state overlap, ensuring arbitrary precision on continuity. As an illustration, the lowest energy and excited state paths relevant for the ^{240}Pu asymmetric fission are studied. The scission is clearly signed, with a neutron excess in the neck, the ultimate glue before its rupture. Our approach can potentially connect any couple of Hilbert space states, which opens up new horizons for various applications.
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