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Fundamental Lengths and Masses of Fundamental Particles

Nature volume 166, page 30 (01 July 1950) | Download Citation

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Abstract

CERTAIN considerations based on the principles of quantum mechanics lead to the view that the process of localization of a particle in space and time is subject to quantization. Thus if the world line of a particle of rest mass m0 is considered, it has no physical meaning to subdivide it into elements of length less than h/m0c, or, what is the same thing, to associate with the particle intervals of proper time less than h/m0c2 1. This has been expressed as a principle of elementary indeterminacy by Ruark2 and by Fürth3.

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References

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    , Proc. Roy. Soc., A, 117, 636 (1927).

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    , Proc. U.S. Nat. Acad. Sci., 14, 322 (1927).

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    , Z. Phys., 57, 429 (1929).

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    , Research (Colston Papers), 149 (1949).

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    , Phys. Z., 30, 895 (1929).

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Affiliations

  1. Physics Department, Bedford College for Women, Regent's Park, London, N.W.1. April 26.

    • H. T. FLINT

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DOI

https://doi.org/10.1038/166030a0

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