5 Bell's Inequality

"Eh? You live next door now?"

Liu Xiaoke was opening her door with the key. She looked at Wang Yi, who had come out to throw the trash, and spoke in surprise.

Wang Yi specially opened the door after hearing that she had returned. After all, she had helped him and they were new neighbors. Of course, the most important thing was to ask for her wifi password. After all, it would take until tomorrow for him to get internet service installed.

"Yes, and I have to thank you for your help today. Let's add each other as friends. If you have any trouble, you can look for me."

Wang Yi shook the phone in his hand.

"I didn't expect you to have so many tricks up your sleeve despite your young age."

Liu Xiaoke felt as if she had seen through him. As a beauty, she was naturally often hit on with all kinds of excuses to flirtl. However, she did not reject Wang Yi's act of adding her as a friend. For some reason, she felt that she had a natural trust in this young boy who had been cheated by scammers.

"Of course. Sister Xiaoke is a beauty."

At a time like this, Wang Yi naturally wouldn't look for trouble and say that he was doing it for the wifi password.

"By the way, what's your wifi password? I'll only be able to get internet service tomorrow."

Wang Yi casually stated his main goal.

"88888888. I'm going to watch a drama tonight. Don't download any movies."

"I won't, and thank you."

After saying that, Wang Yi threw the trash and returned to his room.

After connecting to the internet, Wang Yi logged into his alma mater's student account.

After graduation, he could still use the school's database. This was definitely a benefit for those who needed it. Every school had to pay a huge fee for the database every year, and these were free for students to use.

Otherwise, if an individual downloaded the information they needed, they would have to pay a fee. Many of the databases would even only accept dollars, not yuan.

The protection of copyrights in this world was quite good.

Then, Wang Yi began to search for the papers he needed and download them. They were all related to quantum mechanics.

During the three years in the magic world, with the help of the overclocking, that gave him enough support to devour a huge amount of knowledge. When he researched, he would encounter all kinds of problems. Relying on the overclocking to recall, he could confirm exactly what the problems were and that they were inextricably linked to the study of quantum mechanics here.

Unfortunately, he had focused on algorithms and electronics in the past. He had only heard a little about quantum mechanics, but now, he was learning.

First, he had to read through everything that his predecessors had summarized to see if he could get any inspiration and help.

In addition, he had also submitted his first draft.

A paper about pure number theory, a proof of Goldbach's conjecture (please don't contradict me, I can't prove it).

The reason why Wang Yi could study mathematics was related to a spell formula that he had created himself.

Because he had always been hiding in the Mage Tower, Wang Yi seriously lacked assistants. This made him pay attention to the undead. In the end, he focused his attention on the skeletons.

However, ordinary skeletons were too inflexible, and the summoning process was too simple. It was precisely because of this simplicity that Wang Yi felt a little at a loss.

In the end, he made a painful decision. By relying on overclocking and his own mathematical foundation coupled with the practice of spell formulas, he combined some mathematical theories from another world to complete the collision of the sparks of the two civilizations, allowing him to complete the process of 'cause and effect', thus improving the summoning of skeletons.

The conjecture itself was one of the achievements, but the most important thing was actually the mathematical tools perfected in the middle by combining some novel ideas from the other world.

Now, Wang Yi was able to give the skeletons a specific program to do certain things. It had far exceeded the original ability of the summon skeleton spell formula.

Therefore, he was naturally very confident in this thesis. He was quite proficient in writing it. He only needed to pay attention to some mathematical insights from the other world and complete the proof process.

After looking at the "Submitted to Journal" notification, it said that the submission had been successful. All that was left was to wait.

With such a huge proof, the review would definitely be very cautious. It was normal for it to last for more than a month.

It was precisely because he knew that he would have to wait for a long time that Wang Yi sent this out first.

As for being famous, Wang Yi did not care. Although he did have a lot of secrets, this kind of pure number theory conjecture was actually limited even if he won an international award because of this.

In this era that had just entered smartphones, the netizens were more concerned about celebrities and gossip.

The academic world might be shaken, or it might attract the attention of his alma mater and some higher-ups, but the attention that the field of number theory could attract was relatively on the low end.

It wasn't like he was pulling out a perpetual motion machine.

However, because Wang Yi was a completely practical person in the past, he used readily available knowledge to learn. His own thesis was only to be barebones and lacked experience in this aspect.

This kind of paper in the field of pure mathematics should have been better submitted to professional journals in fields like the Mathematics Annual Report, but he directly submitted it to this world's Science Magazine.

And the famous Science Magazine itself was the epicenter of civilian bombardment for submissions. Goldbach's conjecture was such that it received a large number of submissions, almost as much every year as the perpetual motion machine.

Wang Yi's title perfectly matched this point…

However, Wang Yi, who did not know much about this aspect, threw it aside after completing these operations and began to pay attention to some of the papers he needed.

If he directly activated the overclocking state and looked at it while downloading, the extra time would allow him to gradually understand the relevant papers.

In the end, he locked onto the Bell inequality, which was one of his major questions.

Did God throw the dice?

This question had also been troubling the mages of the other world. A group of people supported the idea that everything in the world followed a certain law without exception.

Impossible predictions were only because there were still some hidden variables that had not been discovered and detected.

The other group was the complete opposite.

This could be said to involve the issue of causality, which mages attached great importance to because they could really make use of it.

"Good lord, you can establish a formula just like that? You can verify it just like that? Sure enough, some problems only need to pierce a paper window."

Bell's inequality was not complicated, but it was because it was relatively simple that it was more important. Mathematics did not lie.

By the 1980s, the second-generation instruments had almost completed Bell's inequality proof.

The third-generation testing instruments were more accurate.

However, for Wang Yi, what he needed more was this train of thought and verification process to verify his own troubles with magic.

He could use similar experiments to complete the verification of the problem he was troubled with!

This made Wang Yi feel as if he was about to pursue the truth.

Many people had heard of quantum entanglement before. That was, the entangled photons could determine the state of the other through one photon. Bell and Einstein both believed that the photons had actually been given some kind of information from the beginning, or that they followed some formula and pattern. They were all hidden variables that had been written in advance. That was why the entangled photons were in sync. There was no connection between the entangled photons.

Bell had specially created the Bell inequality to support Einstein. If it worked, Einstein was right. There was indeed some hidden variable.

To verify this, one had to assume that there were hidden variables and then design an experimental proof or falsification.

Because photons were still electromagnetic waves, they had wave characteristics. If it was a wave, it would have an amplitude and polarization direction. Therefore, different polarization sheets could be used to make the entangled photons 'answer questions'. The results of different polarization sheets could be calculated by different photons.

Relying on high-precision experiments, increasing the data collection could be statistically incorporated into Bell's inequality to see if the statistical results matched. From there, he could determine if the photon had contained some hidden variable in advance or not…

This made Wang Yi's eyes shine with the brilliance of a magic technique, and his emotions surged.

"As expected, the most brilliant essence of a civilization is the knowledge summarized by this civilization."

Bell's inequality was not complicated, and the principles of the experiment were not complicated. The most difficult thing was precision and equipment. However, this seemingly simple inequality and experiment could solve the most cutting-edge problem.

Now that someone had completed the verification of the quantum world, all that was left was Wang Yi's verification of the magic world…