Einstein's Delayed Choice Quantum Experiment

In summary, Einstein suggested a version of the DCQE back in 1931 and this was proven by a Google News Archives article. However, he was not satisfied with Heisenberg's principle of uncertainty, which was developed to fix the quantum theory. A recent article looks at what Einstein might have thought about this development.
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  • #3
hankaaron said:
Einstein suggested a version of the DCQE back in 1931. And here is the proof, courtesy of Google News Archives:

http://news.google.com/newspapers?id=muBPAAAAIBAJ&sjid=kFQDAAAAIBAJ&pg=3486,1697134&dq=quantum&hl=en

nice find, with hindsight it's amusing of course.

...he [Einstein] was not satisfied with Heisenberg's principle of uncertainty, which a couple of years ago developed to patch up the quantum theory

:biggrin:

(btw in DCQE the E usually stands for 'Eraser' )
 

Related to Einstein's Delayed Choice Quantum Experiment

1. What is Einstein's Delayed Choice Quantum Experiment?

Einstein's Delayed Choice Quantum Experiment is a thought experiment proposed by Albert Einstein in an attempt to challenge the principles of quantum mechanics. It involves a setup where a particle's behavior can be changed depending on whether or not it is observed, even after it has already passed through a measuring device.

2. What is the significance of this experiment?

This experiment is significant because it raises questions about the nature of reality and the role of observation in determining the behavior of particles. It challenges the commonly held notion that the act of observation has no influence on the behavior of particles.

3. What are the implications of this experiment?

The implications of this experiment are still being debated, but some interpretations suggest that the results of the experiment may support the idea of a multiverse, where every possible outcome of an event exists in a separate universe. It also challenges the idea of causality and suggests that the future can affect the past.

4. Has this experiment been conducted in reality?

No, this experiment has not been conducted in reality. It is a thought experiment proposed by Einstein to challenge the principles of quantum mechanics. However, variations of this experiment have been conducted in laboratories and have shown similar results to what was predicted in the thought experiment.

5. How does this experiment relate to Einstein's theory of relativity?

This experiment does not directly relate to Einstein's theory of relativity. However, it does challenge the principles of quantum mechanics, which Einstein disagreed with and spent much of his later years trying to disprove. Einstein's theory of relativity is a separate theory that explains the behavior of objects at high speeds and in strong gravitational fields.

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