An Experimental Study of the Rate of a Moving Atomic Clock II

Ives, Herbert E.; Stilwell, G. R.

doi:10.1364/josa.31.000369

Cited by 84 publications

(39 citation statements)

References 2 publications

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“…Then, let us note that Equations (4) through (6) are consistent with all the laboratory experiments [4][5][6] measuring the Doppler shift.…”

Section: Explaining Doppler's Effectsupporting

confidence: 68%

Doppler’s Effect, Gravity and Cosmology

Wagh¹

2013

JMP

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We first show that Doppler's effect implies that the time runs identically in the frames of reference of the source of light and the observer. Furthermore, we then show that the frequency shift due to the (assumed) expansion of space, if any, is "indistinguishable" from that due to the motion of the source with respect to the observer; and that the shift does not depend on the distance to the source. Observed frequency shifts of cosmological sources then need to be interpreted as being only due to their motions with respect to us. This has important implications for our ideas in cosmology.

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“…Then, let us note that Equations (4) through (6) are consistent with all the laboratory experiments [4][5][6] measuring the Doppler shift.…”

Section: Explaining Doppler's Effectsupporting

confidence: 68%

Doppler’s Effect, Gravity and Cosmology

Wagh¹

2013

JMP

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“…After the subtraction of the first order for the backward and forward waves, the net outcome of ISE within the order O(ε 2 ) is the second order term 1 2 q 2 , which is quantitatively the same as the one predicted by the hypothesis of time dilation. The experimental data was compared to the prediction from the hypothesis of time dilation and shown in [26] to be in a very good quantitative agreement. Now, the standard treatment based on the special theory of relativity would have in the third order only the term 1 2 q 3 /c 3 in (6).…”

Section: Ives-stilwell Experimentsmentioning

confidence: 86%

“…A most important experimentum crucis is the seminal work of Ives and Silwell [25,26] (ISE), which is commonly accepted to have proved the reality of time dilation. The above analysis of the logical and mathematical tenability of MIP or RP necessitates a closer look at the way we are trying to detect the absolute motion (the motion relative to the absolute continuum).…”

mentioning

confidence: 99%

The Effect of the Relative Motion of Atoms on the Frequency of the Emitted Light and the Reinterpretation of the Ives-Stilwell Experiment

Christov

2010

Found Phys

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We examine the process of the emission of light from an atom that is in a relative translational motion with respect to the medium at rest in which the electromagnetic excitations propagate. The effect of Lorentz contraction of the of electron orbits on the emitted frequency is incorporated in the Rydberg formula, as well as the emitter's Doppler effect is acknowledged. The result is that the frequency of the emitted light is modified by a factor that is identical with what is called the 'relativistic Doppler effect'. The new emission formula is applied for reinterpretation of the Ives-Stilwell experiment and shown that within the second order of approximation with respect to the speeds of the atom and the 'absolute speed' (Earth's speed relative to the medium), the absolute motion does not affect the interference. The expression for the modification of the frequency involves both a first and a second-order term with respect to the speed of the atoms in the cathode tube. The latter turns out to be quantitatively the same as if the time would have changed its rate in the frame moving with the atoms. Thus, a new interpretation of the results of this famous experiment is provided without stipulating time dilation.

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“…Let me give you one particular example, of many that I am aware of, to think about. It comes from the 1961 JOSA paper by Mandelberg & Witten [7], who redid the Ives-Stilwell experiment of 1938 [8,9] (an experiment which was also performed by Otting in 1939 [10]) involving a measurement of the second-order Doppler shift. At the beginning of the paper, Mandelberg & Witten justify why they are redoing this experiment stating, 'An analyses of the experiments of Ives and Stilwell and Otting indicates that although their reported experimental points seem to fit the curve with an accuracy of about 2 to 3% the experimental uncertainty is more nearly 10-15%' [7, p. 529].…”

Section: Scientific Personalitiesmentioning

confidence: 99%

Precision measurement, scientific personalities and error budgets: the sine quibus non for big G determinations

Faller

2014

Phil. Trans. R. Soc. A.

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Determinations of the Newtonian constant of gravitation (big G ) fit into the oftentimes-unappreciated area of physics called precision measurement—an area which includes precision measurements, null experiments and determinations of the fundamental constants. The determination of big G —a measurement which on the surface appears deceptively simple—continues to be one of Nature's greatest challenges to the skills and cunning of experimental physicists. In spite of the fact that, on the scale of the Universe, big G 's effects are so large as to single-handedly hold everything together, on the scale of an individual research laboratory, big G 's effects are so small that they go unnoticed…hidden in a background of much larger forces and noise sources. It is this ‘smallness’ that makes determining the precise value of this (seemingly unrelated to the rest of physics) fundamental constant so difficult.

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An Experimental Study of the Rate of a Moving Atomic Clock II

Cited by 84 publications

References 2 publications

Doppler’s Effect, Gravity and Cosmology

Doppler’s Effect, Gravity and Cosmology

The Effect of the Relative Motion of Atoms on the Frequency of the Emitted Light and the Reinterpretation of the Ives-Stilwell Experiment

Precision measurement, scientific personalities and error budgets: the sine quibus non for big G determinations

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