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Ai is designing bizarre new physics experiments that actually work

“Ligo is this huge thing that thousands of people have thought deeply for 40 years,” said Aephraim Steinberg, an expert in quantum optics at the University of Toronto. “They thought about everything they might have and something new [the AI] It comes with a demonstration that it is something that thousands of people have not been able to do. “

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Although the IA has not yet led to new discoveries in physics, it is becoming a powerful tool through the field. In addition to helping researchers to design experiments, it can find non -trivial models in complex data. For example, artificial intelligence algorithms collected symmetries of nature from the data collected in Hadron’s great collider in Switzerland. These symmetries are not new – they were fundamental for the theories of Einstein’s relativity, but the discovery of artificial intelligence serves as proof of the principle for what will come. Physics have also used artificial intelligence to find a new equation to describe the grouping of the invisible dark matter of the universe. “Humans can start learning from these solutions,” said Adhikari.

Apart from but together

In classical physics that describes our daily world, objects have well -defined properties that are independent of attempts to measure these properties: a billiard ball, for example, has a particular position and moment at a given moment.

In the quantum world, this is not the case. A quantum object is described by a mathematical entity called quantum state. The best can do is to use the state to calculate the probability that the object is, for example, in a certain position when looking for it there.

In addition, two (or more) quantum objects can share a single quantum state. Take light, which is made of photons. These photons can be generated in a “intertwined” pair, which means that the two photons share a single articular quantum state even if they fly into pieces. Once one of the two photons has been measured, the result seems to instantly determine the properties of the other – now distant – Photon.

For decades, physicists hypothesized that entanglement required that quantum objects began in the same place. But in the early 90s, Anton Zeilingerwho would do it later Receive the Nobel Prize in Physics For his studies on entanglement, he showed that this was not always true. He and his colleagues proposed an experiment that began with two unrelated couples of intertwined photons. Photons A and B were intertwined with each other, as well as photons C and D. The researchers then I created an intelligent experimental design Made of crystals, sparkle of rays and detectors that would have worked on photons B and C – a photon from each of the two intertwined couples. Through a sequence of operations, photons B and C are detected and destroyed, but as a product, the partners of the partner A and D, who had not previously interacted, are entangled. This is called the exchange of entanglement, which is now an important element of quantum technology

That was the state of affairs in 2021, when Krenn’s team began to design new experiments with the help of the software that had nicknamed Pytheus, Pyu for the programming language Python and Theus for Teseo, after the Greek hero who killed the legendary Minoataur. The team represented optical experiments using mathematical structures called graphics, which consist of nodes connected by lines called edges. The nodes and edges represented different aspects of an experiment, such as splitter of rays, photons paths or if two photons had interacted or not.

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