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math-ph2018★ 5 cited
Generalization of the Fermi Pseudopotential
Trang T. Le, Zach Osman, D. K. Watson +2
Introduced eighty years ago, the Fermi pseudopotential has been a powerful concept in multiple fields of physics. It replaces the detailed shape of a potential by a delta-function…
math-ph2009
A Complete Basis for a Perturbation Expansion of the General N-Body Problem
W. Blake Laing, David W. Kelle, Martin Dunn +1
We discuss a basis set developed to calculate perturbation coefficients in an expansion of the general N-body problem. This basis has two advantages. First, the basis is complete o…
math-ph2008★ 13 cited
On the Use of Group Theoretical and Graphical Techniques toward the Solution of the General N-body Problem
W. B. Laing, M. Dunn, D. K. Watson
Group theoretic and graphical techniques are used to derive the N-body wave function for a system of identical bosons with general interactions through first-order in a perturbatio…