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Snippets of physics

18. Perturbing Coulomb to avoid accidents!

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Abstract

The Coulomb problem, which corresponds to motion in a potential that varies as r −1, has a peculiar symmetry which leads to a phenomenon known as ‘accidental’ degeneracy. This curious feature exists both in the classical and quantum domain and is best understood by studying a more general potential and obtaining the Coulomb problem as a limiting case.

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Suggested Reading

  1. W Greiner and B Muller Quantum Mechanics — Symmetries Springer, Chapter 14, 1992.

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Authors and Affiliations

  1. IUCAA, Post Bag 4, Pune University Campus, Ganeshkhind, Pune, 411007, India

    T. Padmanabhan

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  1. T. Padmanabhan
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Correspondence to T. Padmanabhan.

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T Padmanabhan works at IUCAA, Pune and is interested in all areas of theoretical physics, especially those which have something to do with gravity.

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Padmanabhan, T. Snippets of physics. Reson 14, 622–629 (2009). https://doi.org/10.1007/s12045-009-0068-7

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  • DOI: https://doi.org/10.1007/s12045-009-0068-7

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