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Volume 48 - October 1952

Contents

Page 5 of 5

Back matter

  • PSP volume 48 issue 3 Cover and Back matter

  • Published online by Cambridge University Press:
    24 October 2008, pp. b1-b2
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Research Article

  • Removal of an inconsistency in the theory of diffraction

  • D. S. Jones
  • Published online by Cambridge University Press:
    24 October 2008, pp. 733-741

  • It is indicated by means of a particular example how an inconsistency arises in one formulation of diffraction problems. It is shown that the inconsistency is removed if different boundary conditions are imposed during the formulation. In the proof it is necessary to determine the contributions to the field from parts of a sphere of radius R at an interior point when the field on the sphere is a plane wave. It is found that, as R → ∞, the part of the sphere near the source which subtends a solid angle of order at the centre contributes the plane wave and that the remainder of the sphere provides a contribution which vanishes in the limit. The demonstration involves the use of the principle of stationary phase for an integral of two variables.

    In the final section special boundary conditions are given for an exceptional three-dimensional problem.

Research Note

Research Notes

Corrigendum

  • Corrigendum

  • Published online by Cambridge University Press:
    24 October 2008, p. 208
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  • In the last line on p. 615, read ‘360’ instead of ‘372’, omit the parenthesis which follows and, on p. 616, substitute ‘343’ for ‘348’. We are indebted to Dr M. E. Rose for drawing our attention to this error.

Research Note

Front matter

  • PSP volume 48 issue 1 Cover and Front matter

  • Published online by Cambridge University Press:
    24 October 2008, pp. f1-f2
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Proceedings at the meetings

Statement of accounts

Back matter

  • PSP volume 48 issue 1 Cover and Back matter

  • Published online by Cambridge University Press:
    24 October 2008, pp. b1-b2
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Front matter

  • PSP volume 48 issue 4 Cover and Front matter

  • Published online by Cambridge University Press:
    24 October 2008, pp. f1-f2
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Back matter

  • PSP volume 48 issue 4 Cover and Back matter

  • Published online by Cambridge University Press:
    24 October 2008, pp. b1-b7
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Page 5 of 5