Chapter 61: Chapter 58: A Chance Encounter in the Library (Seeking First Subscription!!!)
"Fifteen-photon entanglement?"
By the small path.
Upon hearing this term from Academician Pan’s mouth, Xu Yun’s pupils immediately contracted, and he exclaimed in a rare loss of voice:
"Director Pan, fifteen photons? Has the technical reserve of the Quantum Information Laboratory reached this point?"
Photon entanglement is a core indicator of the basic capability in quantum information processing. The more entangled photons are manipulated, the exponentially greater the quantum information processing capability becomes.
This thing has an academic name, called multi-photon entangled states, which involves the concept of quantum teleportation.
If you don’t understand this sentence, that’s okay. There’s a more straightforward explanation:
Quantum teleportation can be regarded as an infinitely microscopic sci-fi teleportation array.
Yes, it’s like those teleportation arrays where you stand in a drawn circle, and after a burst of green light, you’re transported to another place.
Its principle is to transmit bit information to another location through the entangled relationship of photons via a classical channel—that is, under the premise of conforming to relativity.
A person or something that can be regarded as composed of countless microscopic particles is a macroscopic object. Therefore, as long as the technology is sufficiently perfected, theoretically, a person can be disassembled, transmitted, and reassembled.
But of course.
Quantum teleportation can only be said to be a prototype of a teleportation array, far from having the capability to transport macroscopic objects like a real teleportation array.
grams of carbon atoms is 1 mole, about 6.023*10^23 atoms.
If a person’s weight is 60 kilograms, assuming it’s entirely composed of carbon atoms, then there are approximately 5000 moles of atoms, which is about 3*10^27 atoms.
Describing the state of an atom considers ten degrees of freedom.
Therefore, describing a person requires a magnitude of 10^28 degrees of freedom—for those unfamiliar with the concept of degrees of freedom, you can replace this term with money, and currently, the frontier only has photons capable of teleporting fifteen degrees of freedom.
Assuming no third World War breaks out and the research direction is correct, humanity may need another 800 years to have a teleportation array consistent with standard cognition.
However, besides this, there is a singularity theory that believes the technological singularity will be reached by 2075. Currently, this viewpoint is under intense and sharp debate, and Lili is almost overwhelmed by it.
Currently worldwide, entanglements of five photons, six photons, eight photons, and ten photons were all first completed by Academician Pan’s team.
It’s also worth mentioning that photon entanglement is not a kind of self-amusement research like those so-called ’World Championship Cups’ in certain mobile games, which actually only involve domestic participation. This project occupies considerable research resources in laboratories across various countries worldwide.
For instance, researchers like Alexei Kitaev, John Martinis, and Austrian physicist Peter Zoller, who won the Dirac Medal in 2006, all lead research teams in this field.
In our country, it’s called quantum computational supremacy, while over in the United States, it’s called quantum superiority, led by the renowned Google.
How could Xu Yun not be excited since Academician Pan’s team is about to conduct the fifteen-photon entanglement experiment?
As someone who worked in the physics industry in a past life, he instinctively wanted to accept Academician Pan’s invitation.
However, just as the words were about to come out of his mouth, he abruptly stopped himself.
The reason is simple: at the moment, he is indeed unsuitable to join such a team.
The technical barriers of the fourth generation of imidacloprid have already been overcome, and the fifth generation product is just ahead. Whether it’s the patent conversion of research results, or subsequent papers, even commercial derivatives, it’s not permissible for him to leave right now.
Not to mention the mysterious enclosed space, Xu Yun has a feeling that the next dungeon might not be far off.
Regardless of whether it’s the 1665 dungeon that opens or some other new space-time, Xu Yun, as long as he completes the relevant tasks, will surely receive new rewards when he returns.
If he joined Marshal Pan’s team, it would be nearly impossible for him to leave in the short term, and the subsequent progress could be greatly hindered.
So, after some internal struggle, Xu Yun simply explained the topic he was working on to Academician Pan and apologetically said:
"Director Pan, I’m afraid I can’t join your team this time."
"Fifth generation imidacloprid... this is indeed a good research direction."
After listening to Xu Yun’s words, Academician Pan nodded slightly and didn’t persist too much:
"Since that’s the case, I won’t force you. I’ll let you off this time; Elder Tian has indeed taken in a good disciple."
Tian Zhigang is 66 this year, and Academician Pan was born in the ’70s, so calling him Elder Tian is indeed appropriate.
After a few more brief exchanges, Xu Yun and Academician Pan parted ways and went their separate directions.
Watching Marshal Pan walk in the opposite direction, another premonition suddenly surfaced in Xu Yun’s mind: he might not see Marshal Pan for a very long time.
Then, after calming his mindset, Xu Yun turned around and continued walking towards the West District AED.
In the encyclopedia, AED generally refers to an Automated External Defibrillator, but on the Ke Da campus, AED refers to the West District of the Ke Da Library.
The Ke Da AED is as tall as 12 stories. The building’s exterior is an L-shape, the entrance is a beautifully shaded archway, and one can often see a hugely fat three-colored pig cat named San Pang around. Additionally, there’s Big Flower, who can solve Maxwell’s Equations, and Big White, the West District’s top dog who can derive basic elements. It’s said the GPA of Ke Da’s cats is all above 3.8...
Ahem, back to the topic.
The biological materials Xu Yun wanted to find were located on the 1st and 11th floors, so after swiping his campus card, he started looking for books on the first floor.
The location of the biology journals was adjacent to the shelves containing physics materials. When Xu Yun arrived, two girls stood shoulder to shoulder in front of the physics bookshelves, searching for specific information.
The two girls appeared to be roommates or classmates and seemed to have a good relationship. Upon seeing Xu Yun appear, they only gave him a simple glance and continued searching for the books they needed.
Xian Weiren naturally had no thoughts about two entirely unfamiliar schoolmates and started looking for books from the left side of the shelf.
"Insect protein... specificity binding receptors..."
Though there are electronic devices today to directly search and browse, Xu Yun still preferred the feeling of shaking the campus card lightly as a fan while looking through rows of books.
He wasn’t really that hot; the breeze from the campus card was nothing special. He just liked fiddling with it in his hands, similar to those who enjoy spinning their phones.
The two girls were searching from left to right, while Xu Yun was searching from right to left, so soon, they approached each other back-to-back in the middle position.
The library was exceptionally quiet, and it’s uncertain if it was out of book-searching irritation, but the voice of one of the girls wasn’t particularly lowered and reached Xu Yun’s ears clearly:
"Ningning, books describing Newton’s life are hard to find, aren’t they? This entire row is filled with theoretical books."
Xu Yun wasn’t the kind who liked eavesdropping on others’ conversations, but the word ’Newton’ spoken by the girl subconsciously reminded him of Little Niu from the dungeon.
Thus, he instantly perked his ears up and shifted his attention to the adjacent area.
Facing her companion’s complaint, the taller girl chuckled:
"Relax, relax, Yueyue, just accompany me for a bit longer. I’ll treat you to Miyue Ice City later..."
’Yueyue’ sighed upon hearing this, rubbing her hands as if acquiescing:
"Oh, all right, all right, let’s keep looking for a bit longer. Speaking of which, why are you so interested in Lord Niu’s life? Don’t tell me you truly believe those Anta shoes are from the same era as Mr. Niu? Didn’t Professor Lu say in the department group yesterday that it’s just a trickery using transition ester-like substances similar to hexagonal rings, purely to mock certain people?"
"I just want to find some data to confirm. After all, it’s quite coincidental, isn’t it?"
Strangely enough, upon hearing this sentence, an image as if one of the girls, with a gentle voice but firm expression, appeared in Xu Yun’s mind:
"Yueyue, isn’t it recorded in history that Yang Hui’s Triangle was brought to the United Kingdom by an Eastern merchant and just happened to fall into Newton’s hands? Otherwise, Yang Hui’s Triangle would now be known internationally as Pascal’s Triangle. It’s because of Newton’s endorsement that this triangle bears the name of a Huaxia person..."
Crash—
A crisp sound of a book falling to the ground suddenly interrupted the conversation between the girl and her companion.
Fortunately, this bookshelf’s location was rather secluded, so it didn’t attract much attention from others in the library.
Moments later, a voice filled with surprise and doubt emerged from behind:
"Excuse me, classmate, what triangle were you just talking about?"
...
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