Accuracy of Relativity vs Quantum Mechanics Measurement

In summary, there is no clear comparison between the accuracy of measurements in relativity and quantum mechanics as modern QM is built on relativity. However, some measurements such as time dilation in atomic clocks and the anomalous magnetic moment of an electron are considered precision tests of both theories. Ultimately, relativistic quantum theory has shown to have the most accurate predictions that align with experimental results.
  • #1
windy miller
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Just for a bit of fun, which theory , relativity or quantum mechanics has the most accurate ( i.e to how many decimal places confirmation between theory and experiment) measurement ever made?
 
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  • #2
windy miller said:
relativity or quantum mechanics
Modern QM is built on relativity, so there is no either-or comparison possible.
 
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Likes Sorcerer
  • #3
Dale said:
Modern QM is built on relativity, so there is no either-or comparison possible.

But here are certain measurement that are considered to be precision test of either theory, time dilation in atomic clocks or the anomalous magnetic moment of an electron. This question really is just for a bit of fun.
 
  • #4
The magnetic moment of an electron cannot be understood without relativistic quantum theory.

The operation of an atomic clock cannot be understood without relativistic quantum theory.

Relativistic quantum theory makes predictions that match experimental results to a greater extent than any other theory ever created.
 

1. How do we measure the accuracy of relativity and quantum mechanics?

The accuracy of relativity and quantum mechanics can be measured by comparing the predicted values from these theories with experimental results. This involves conducting experiments and gathering data to determine if the theories accurately describe the behavior of the physical world.

2. Which theory is more accurate, relativity or quantum mechanics?

Both relativity and quantum mechanics have been extensively tested and have shown to be highly accurate in predicting the behavior of the physical world. However, they are used to explain different phenomena and are not directly comparable. Relativity explains the behavior of large objects and gravity, while quantum mechanics explains the behavior of subatomic particles and their interactions.

3. Can relativity and quantum mechanics be reconciled?

Currently, there is no unified theory that combines relativity and quantum mechanics. Some attempts have been made to reconcile the two theories, such as string theory and loop quantum gravity, but they are still under development and have not been fully proven.

4. What are the limitations of relativity and quantum mechanics?

Relativity and quantum mechanics have been incredibly successful in explaining and predicting the behavior of the physical world. However, they have their limitations. Relativity breaks down in extreme conditions, such as black holes, and quantum mechanics cannot fully explain gravity.

5. How do the accuracy of relativity and quantum mechanics affect our understanding of the universe?

The accuracy of relativity and quantum mechanics has greatly contributed to our understanding of the universe. They have allowed us to make precise predictions and develop technologies that have revolutionized our world. However, there are still many unanswered questions and mysteries that these theories cannot fully explain, leading to ongoing research and discoveries.

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