Videos from Big Event 2015 (Växjö): Loophole free Bell test

In summary, the speakers at the Vaxjoe Conference 2015 discussed the concept of Bell's Inequalities and how they have been violated through various experiments involving entangled photons and atom-atom entanglement. These experiments, such as the first loophole-free Bell test and the significant-loophole-free test, have provided evidence for the existence of quantum entanglement and have implications for the development of a quantum internet. Additionally, the speakers suggest that these experiments have closed the door on the debate between Einstein and Bohr on the nature of quantum mechanics.
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In connection with the Nobel Prize in Physics 2022, I post the weblinks to videos from Växjö conference 2015, all Zeilinger, Grangier, Weihs ...
vhttps://play.lnu.se/media/t/0_hgz7034c

A.Zeilinger: The Future of Bell Experiments.

https://play.lnu.se/media/t/0_6jkhpefo

G. Weihs: Violation of Bell’s Inequality under Strict Einstein Locality Conditions

https://play.lnu.se/media/t/0_q2r30syq

R. Hanson: From the first loophole-free Bell test to a quantum Internet

https://play.lnu.se/media/t/0_iasiwe06

M. Giustina and M. Versteegh: Significant-loophole-free test of local realism with entangled photons.

https://play.lnu.se/media/t/0_fb3yvk6z

K. Shalm: A strong loophole-free test of Bell's inequalities.

Vaxjoe Conference 2015: "Big Event; the final Bell test",

https://play.lnu.se/media/t/0_xprww7jj

H. Weinfurter: Event ready loophole free Bell test using heralded atom-atom entanglement.

https://play.lnu.se/media/t/0_xprww7jj Vaxjoe Conference 2015: "Big Event; the final Bell test",

https://play.lnu.se/media/t/0_3wrv1e5c

P. Grangier: Violation of Bell's Inequalities in a quantum realistic framework.

https://play.lnu.se/media/t/0_61nm165n

P. Grangier: Closing the Door on Einstein and Bohr's Quantum Debate
 
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1. What is the Big Event 2015 (Växjö)?

The Big Event 2015 (Växjö) was a scientific conference held in Växjö, Sweden in 2015. It brought together leading researchers in the field of quantum physics to discuss recent developments and advancements in the field.

2. What is a Bell test?

A Bell test is an experiment designed to test the principles of quantum mechanics and the concept of entanglement. It involves measuring the correlation between two entangled particles, known as Bell pairs, to determine if they are following the predictions of quantum mechanics or if they are influenced by any external factors.

3. What is a loophole-free Bell test?

A loophole-free Bell test is a Bell test that aims to eliminate any possible loopholes that could affect the results of the experiment. These loopholes include the locality loophole, where the particles are not truly separated, and the detection loophole, where the detectors are not efficient enough to detect all particles. By eliminating these loopholes, scientists can have more confidence in the results of the experiment.

4. Why is the loophole-free Bell test significant?

The loophole-free Bell test is significant because it provides evidence for the validity of quantum mechanics and the concept of entanglement. It also has implications for technologies such as quantum cryptography and quantum computing, which rely on the principles of quantum mechanics.

5. What were the results of the loophole-free Bell test at the Big Event 2015?

The results of the loophole-free Bell test at the Big Event 2015 showed a violation of Bell's inequality, providing strong evidence for the validity of quantum mechanics. This was a significant achievement as it was the first loophole-free Bell test to be conducted in an open setting, meaning it was not conducted in a controlled laboratory environment.

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