Regarding Professor Gong’s research on high-efficiency perovskite solar cells based on lead acetate precursors, Zhao Xiancai’s participation was actually not very high, at least that’s what Zhao Xiancai felt.

Because after he spent a week reading those related books, he spent much less time on it every day, and most of his day was spent on studying mathematical problems.

Zhao Xiancai's help to Academician Gong and others helped them reduce the number of experiments and speed up their research progress to a certain extent.

Although Zhao Xiancai felt that he had done nothing, Academician Gong said that his data reduced the number of their experiments, which was equivalent to saving experimental funds, speeding up the progress of their experiments, and most likely avoiding the consequences of this experiment.

It was researched first by other research institutions and published in advance.

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Therefore, Academician Gong said that when they finally publish the relevant paper, they will also write Zhao Xiancai's name.

Just like that, Zhao Xiancai suddenly had another paper on the field of physical optics.

However, this incident was quickly forgotten by him. When he began to officially get involved in the field of physics a few years later and published his first paper that truly belonged to him in this field, he finally remembered that he had already

A few years ago, he signed a paper on improving the photoelectric conversion efficiency of perovskite solar cells.

When the time came to mid-April, Zhao Xiancai was a little overjoyed when a piece of news came from the system.

The news from the system is that his passive skill [Study Hard] has finally been upgraded from lv4 to lv5 after his continuous efforts over the years.

[Study well] The effect of this passive skill at level 4 is that the overall intelligence attribute will be increased by 50% in the immersive learning state. After accumulating full hours of immersive learning, it can be upgraded to level 5.

After upgrading to lv5, its effect is to increase the intelligence attribute by 100% in the immersive learning state. Spend 100 skill points to upgrade this skill to [Study hard and make progress every day].

It can be seen from this that lv5 is considered the final level of the skill "Study Hard". As for what is said later, it costs 100 points to upgrade to "Study Hard and Make Improvements Every Day".

Zhao Xiancai also asked the system about this skill, but the system did not give any valuable reply to the skill. It just told Zhao Xiancai that he would know after upgrading.

Not to mention the skill of [Study hard, make progress every day], which has unknown effects. In the immersive learning state, the intelligence attribute is increased from 50% to 100%. Such a substantial improvement has already reached 7.5 for the current basic intelligence.

This is also a huge improvement for Zhao Xiancai.

The basic intelligence of 7.5, based on the previous 50% improvement efficiency of level 4, is 11.25, but based on the current 100% improvement efficiency, it is 15, which is nearly four points more.

All of them increase their intelligence points by four points. If calculated according to the previous calculation, they can be upgraded from an ordinary person among ordinary people like 5.0 to a genius of 9.0.

"Now with the blessing of the skill effect of [Study Hard], when I am in a state of immersive learning, all intelligences have reached 15. If I turn on [Flow State] again, how much should my learning efficiency be improved?

"

After seeing the increasing effect of [Study Hard] after raising the skill level to lv5, Zhao Xiancai himself was frightened.

After calming down his excitement, Zhao Xiancai also stopped studying the Abelian expansion problem and began to look for mathematics books in the library that he had not read yet.

Soon, Zhao Xiancai found a book on topological strings and mirror symmetry.

Topological strings are a term in mathematics. In summary, it is the study of topological properties on the path space of manifolds and their applications in fields such as differential geometry, homologous algebra and mathematical physics.

Mirror symmetry refers to a special relationship between Calabi-Yau manifolds, that is, although the two Calabi-Yau manifolds are very different in geometry, they are equivalent as extra dimensions of string theory.

Such a pair of manifolds is called a mirror manifold.

However, whether it is topological strings or mirror symmetry, they are actually related to quantum field theory and string theory in physics.

Although Zhao Xiancai had read some graduate-level books before, his understanding of quantum field theory and string theory was relatively small.

After taking the book and returning to his previous seat, Zhao Xiancai activated the [Flow State] skill and began to read the book.

The test Zhao Xiancai is going to do this time is to test how long it takes for him to thoroughly understand this book about topological strings and mirror symmetry.

Time passed by minute by minute, and soon an hour passed quietly and unknowingly, but this hour was only a short time for Zhao Xiancai.

"finish watching!

Huh?

It’s actually still bright outside?”

When Zhao Xiancai finished reading the book on topological strings and mirror symmetry that he had just started reading an hour ago, he took a look outside the window and found that it was still bright outside. He was a little surprised, and quickly checked the time.

"It's only been an hour? Let me go, this efficiency improvement is too ridiculous. If we look at the current efficiency, I will start from scratch to learn the content of the compulsory professional courses for undergraduates in the School of Mathematics at Peking University. I'm afraid it won't even take a day.

Eat it all up.”

Zhao Xiancai was stunned when he realized that only an hour had passed.

If he was so efficient in the past, why would he go to the library every day? Play outside for a day during the day and study for a few hours in the library at night. Even these few hours are probably worth what some people study for a semester.

.

"Now that the test on learning new knowledge is over, what is the efficiency of studying unsolved problems?"

After reading the book on topological strings and mirror symmetry, Zhao Xiancai began to test the efficiency improvement of "Study Well" and the efficiency improvement brought about by researching problems.

After all, for a scholar, his ability is mainly reflected in two aspects, one is the ability to accept new knowledge, and the other is the ability to explore and solve problems.

Now that Zhao Xiancai has finished testing his ability to accept new knowledge, it is indeed time to test his ability to explore and solve problems.

The research speed on the Abelian expansion problem was not as fast as the book he had read on topological strings and mirror symmetry. When he left the library at night, Zhao Xiancai finally had a certain understanding of his improvement in strength.

.

Needless to say, the ability to accept new knowledge, Zhao Xiancai felt that except for computers, no one in the world could be as fast as him.

Although the ability to explore and solve problems has indeed improved compared to before, the improvement is far less than the ability to accept new knowledge.

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