Relative Velocity Time Dilation: Experiments Disproving Theory?

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SUMMARY

This discussion centers on the concept of time dilation due to relative velocity, specifically questioning a theory that posits time dilation is measured against an absolute frame of reference rather than being purely relative. The theory contradicts established principles of special relativity, which relies on the relative motion of inertial frames. The user references the paper "Optical Clocks and Relativity" by C. W. Chou et al. to illustrate that experimental results align with special relativity, suggesting no definitive experiments currently disprove the relative nature of time dilation.

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  • Understanding of special relativity principles
  • Familiarity with time dilation concepts
  • Knowledge of inertial frames of reference
  • Basic comprehension of experimental physics methodology
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  • Review the FAQ on experimental support for relativity at Physics Forums
  • Study the paper "Optical Clocks and Relativity" by C. W. Chou et al.
  • Investigate other experiments related to time dilation, such as those involving atomic clocks
  • Explore the implications of cosmic microwave background measurements on relative velocity
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Physicists, students of relativity, and anyone interested in the experimental validation of time dilation theories.

Doc_Z
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I have a question regarding time dilation due to relative velocity. (It's just about time dilation due to velocity not about gravitational effects.)

I have seen a theory where time dilation is not relative, but always considered against an absolute frame of reference. The absolute frame of reference is given by the origin of an inertial frame with zero total momentums. Time dilation is calculated in the normal way, but the velocity is always referred to the absolute frame. (This means that there is a state of absolute rest and motions of inertial frames of reference relative to the absolute frame can be measured.)

Of course, this theory is in disagreement with special relativity. Since the velocity of the Earth is about 369 km/s - taken from cosmic microwave background - there should be experiments with are in disagreement with this theory.

For example I had a look here: "Optical Clocks and Relativity" C. W. Chou, D. B. Hume, T. Rosenband, D. J. Wineland. However, due to the "harmonic motion" in this experiments, I found that the results are in agreement with the theory. (First order effects are the same for both theories and second order effects are too small to see them.)

There are many other experiments about time dilatation. Are there experiments which disprove this theory?

(Sorry for my spelling and grammatical errors.)
 
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Doc_Z said:
I have seen a theory where time dilation is not relative...
"I have seen a theory" is not acceptable reference under the Physics Forums rules - you have to be able to point to something that has undergone some level of peer review so that it is clear what this theory you're asking about is.

There are many other experiments about time dilatation. Are there experiments which disprove this theory?
There's no way of answering that question until we know what theory you're asking about. However, you may want to review this FAQ on experimental support for relativity, see if you can find what you're looking for there: https://www.physicsforums.com/threads/faq-experimental-basis-of-special-relativity.229034/

This thread is closed.
 
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