Physics – Quantum Physics
Scientific paper
2008-07-13
J. Phys. A: Math. and Theor., 41, 475207 (2008)
Physics
Quantum Physics
13 pages, 2 figures
Scientific paper
10.1088/1751-8113/41/47/475207
A new formulation of potential scattering in quantum mechanics is developed using a close structural analogy between partial waves and the classical dynamics of many non-interacting fields. Using a canonical formalism we find non-linear first-order differential equations for the low energy scattering parameters like scattering length and effective range. They significantly simplify typical calculations, as we illustrate for atom-atom and neutron-nucleus scattering systems. A generalization to charged particle scattering is also possible.
Hussein Mahir S.
Li Wangrong
Wuester Sebastian
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