Virial Theorem and Hypervirial Theorem in a spherical geometry

Details Virial Theorem and Hypervirial Theorem in a spherical geometry Virial Theorem and Hypervirial Theorem in a spherical geometry

2010-12-24

arxiv.org/abs/1012.5391v2

J. Phys. A: Math. Theor. 44 (2011) 365306 (11pp)

Physics

Mathematical Physics

13 pages 1 fig

Scientific paper

10.1088/1751-8113/44/36/365306

The Virial Theorem in the one- and two-dimensional spherical geometry are presented, in both classical and quantum mechanics. Choosing a special class of Hypervirial operators, the quantum Hypervirial relations in the spherical spaces are obtained. With the aid of the Hellmann-Feynman Theorem, these relations can be used to formulate a \emph{perturbation theorem without wave functions}, corresponding to the Hypervirial-Hellmann-Feynman Theorem perturbation theorem of Euclidean geometry. The one-dimensional harmonic oscillator and two-dimensional Coulomb system in the spherical spaces are given as two sample examples to illustrate the perturbation method.

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