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Look Inside Aberration and Some Other Problems Connected with the Electromagnetic Field

Aberration and Some Other Problems Connected with the Electromagnetic Field


  • Date Published: October 2014
  • availability: Available
  • format: Paperback
  • isbn: 9781107432604

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About the Authors
  • Originally published in 1900, this book contains the text of the Adams Prize-winning essay for 1899, which attempts to construct a theory of the electromagnetic field 'consistent with the modern interpretation of chemical, optical and magnetic phenomena in terms of electrically charged particles'. Walker became an expert on the science of climate and was knighted in 1924, and this early essay is a good example of his early interest in electromagnetism. This book will be of value to anyone with an interest in electromagnetism or the early work of Sir Gilbert Walker.

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    Product details

    • Date Published: October 2014
    • format: Paperback
    • isbn: 9781107432604
    • length: 118 pages
    • dimensions: 229 x 152 x 7 mm
    • weight: 0.19kg
    • availability: Available
  • Table of Contents

    Table of vector notation and formulae
    Table of notation of physical quantities
    Part I:
    1. Difference in conceptions of polarisation
    2. Flux in continuous polarisation
    3-4. Analysis of molecular polarisation
    5. Density due to molecular polarisation
    6. The existence of convection currents
    7-9. Flux of molecular polarisation
    10. Effect of motion on permeability
    11-12. Equations of the field when the polarisation is continuous and motion takes place: the electric and magnetic forces at a moving point
    13. The polarisation in a moving medium
    14. Equations of the field when the ether is stationary and material media whose polarisations are molecular drift through it: the polarisation of the ether is assumed to be continuous
    15. The same when the polarisation of the ether is molecular
    16. Comparison of results
    17-18. Boundary conditions
    Part II. 19. Extension of the transformation of Lorentz which gives a stationary distribution corresponding to one in which molecularly polarised media drift through stationary ether
    20. Airy's 'water-telescope' experiment
    21-24. Double refraction of light in a drifting medium
    25. Experiments with rotating dielectric plates
    26. Theory of Röntgen's experiment
    27. Theory of Röntgen's experiment
    Part III:
    28. Stress in the ether when the electric and magnetic polarisations are entirely continuous and the ether and matter have a common velocity
    29. Resultant force per unit volume under the same conditions
    30. Stress in the ether when the polarisations of the ether are continuous, those of the material media are molecular, and the ether has the same velocity as the matter
    31. Preliminary considerations
    32-33. Energy in the field in a special case, and an example of the need of modification
    34. Stress in the ether when it is stationary and molecular polarisation drifts through it
    35. The force per unit volume in this case
    36. The couple per unit volume
    37. The value of the force when the field is stationary and steady
    38. The result of assuming (DE' + GH')/8π as the potential energy
    39. An example of the effect of the motion of a surface upon the force in action upon it
    40-41. Discussion of the case in which there is no drift
    42. Relation between stress in the ether and stress in the material medium
    43-44. Force at a surface of discontinuity
    45. Distinctions between electric and magnetic polarisations
    46. Interpretation of electric polarisation in terms of ions
    47. Interpretation of magnetisation in terms of ions: the two hypotheses in relation to susceptibility
    48. Equations of the field when the second hypothesis is made
    49-51. Stress in the ether under the same conditions
    52. Stress in the material medium in an electrostatic field
    53. Stress in the material medium in a magnetostatic field
    54. Comparison of theoretical stresses with the results of observation
    55. Experimental investigation of stress in an electrostatic field
    Part IV:
    56. Experimental investigation of stress in a magnetostatic field
    57. Velocity of light when a continuously polarised medium drifts through stationary ether
    58. Determination of the velocity with which the ether must be dragged by a continuously polarised medium, in order that Fresnel's coefficient may be obtained
    59. The direction and velocity of ray-propagation under the above conditions
    60. Reflection and refraction
    61.Röntgen's experiment is inconsistent with the hypothesis of § 58.

  • Author

    Gilbert T. Walker

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