Abstract
We present a generalization of the Fefferman–de la Llave decomposition of the Coulomb potential to quite arbitrary radial functions V on Rn going to zero at infinity. This generalized decomposition can be used to extend previous results on N-body quantum systems with Coulomb interaction to a more general class of interactions. As an example of such an application, we derive the high density asymptotics of the ground state energy of jellium with Yukawa interaction in the thermodynamic limit, using a correlation estimate by Graf and Solovej.
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Hainzl, C., Seiringer, R. General Decomposition of Radial Functions on Rn and Applications to N-Body Quantum Systems. Letters in Mathematical Physics 61, 75–84 (2002). https://doi.org/10.1023/A:1020204818938
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DOI: https://doi.org/10.1023/A:1020204818938