Runge-Lenz operator in the momentum space

• URL: http://arxiv.org/abs/2411.14482v1
• Date: Tue, 19 Nov 2024 19:32:54 GMT
• Title: Runge-Lenz operator in the momentum space
• Authors: Sergei Efimov,
• Abstract summary: A differential equation with SO(4) simmetry has been obtained in the momentum space instead of the integral Fock equation. The Runge-Lenz operator is simplier than that in the coordinate space. A relation of new operator to the infinitesimal rotation operator of the three-dimensional the Fock sphere has been determined.
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• Abstract: The fundamental quantum Coulomb problem in the momentum space is considered. A differential equation with SO(4) simmetry has been obtained in the momentum space instead of the integral Fock equation. The corresponding equation in the coordinate space is the sum of the squares of the angular momentum and the Runge-Lenz operators.This approach is unknown in the momentum space where the Runge-Lenz operator is not applied in the existing theory. The Runge-Lenz operator obtained in the momentum space is simplier than that in the coordinate space and allows one to effectively consider the Coulomb problem in the momentum space. A relation of new operator to the infinitesimal rotation operator of the three-dimensional the Fock sphere has been determined.

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