Has this experiment been done?

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In summary, the conversation discusses a specific experiment involving entangled photons and the performance of separable and bell-state measurements. The goal is to create two pairs of entangled photons and subject one photon from each pair to a measurement, while the other remains entangled. This experiment is the opposite of a previous one, and involves randomly deciding which type of measurement to perform. A separable state measurement is one in which entanglement swapping does not occur on the two photons going to a specific party.
  • #1
StevieTNZ
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Hi there,

I'm looking for an experiment performed to date that:
(a) creates two pairs of entangled photons (in the same entangled state);
(b) subjects one photon of each pair to a bell-state measurement or decides to perform a separable state measurement on the two photons (so they don't become entangled)
(c) that (b) is randomly decided
(d) the two photons left are then measured (which indicate they're entangled; if not, they remain entangled as when they're produced).

Basically an experiment opposite of http://www.nature.com/nphys/journal/v8/n6/full/nphys2294.html, except both separable and bell-state measurements are performed on the two photons going to Victor (and that is randomly decided).
 
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  • #2
What is a separable state measurement?
 
  • #3
Khashishi said:
What is a separable state measurement?

One in which entanglement swapping does not occur on the two photons that go to a particular party.
 

1. What is the purpose of conducting this experiment?

The purpose of conducting an experiment is to test a hypothesis or answer a specific research question. It allows scientists to gather data and evidence to support or refute a theory.

2. How do you ensure the validity and reliability of the experiment?

Validity and reliability are essential in any experiment to ensure the accuracy and consistency of the results. Scientists use various methods, such as control groups, randomization, and blinding, to minimize bias and increase the validity and reliability of the experiment.

3. Has this experiment been done before?

This question is important to determine if the experiment has already been conducted and if the results have been published. If the experiment has been done before, scientists can build upon the previous findings or replicate the experiment to verify the results.

4. What are the potential risks or ethical considerations involved in this experiment?

When conducting experiments, it is crucial to consider any potential risks or ethical concerns that may arise. Scientists must follow ethical guidelines and obtain approval from an Institutional Review Board (IRB) before conducting human research to ensure the safety and well-being of participants.

5. How will the results of this experiment contribute to the field of study?

The results of an experiment can provide valuable insights and contribute to the advancement of scientific knowledge in a particular field. It can help support or challenge existing theories and open up new areas for further research.

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