Biohistory journal, Summer, 2007

Photograph by Naruaki Onishi

Nakamura :
       The “beginning” is that which wants to know. The Biohistory Journal is the passage from the self to the creation of humankind and then life. Before that everything is the beginning, and the birth of the universe. That, it is said, is the verification of the inflation theory you’ve presented.

Sato :
       This theory postulates a universe based on a small quantum theory. Creation itself is not at discussion. The mother universe is created through the energy of a vacuum. This assertion is a forecast based on a unified theory. The energy of the vacuum is mathematically the same as Einstein’s cosmological constant. Then, second- and third-generation multiverses are created.

Nakamura :
       It is an impressive scenario that after inflation, the vacuum of energy gave rise to all the current matter and thermal energy today with the Big Bang. It also can forecast second- and third-generation universes.

Sato :
       Not a universe, but a multiverse. The undulation of gases has been observed 380,000 years after the birth of the universe, and that fits with the predictions of the inflation theory. The observations and the theory match, and the general outline of the evolution of the universe is understood. But the so-called new mysteries, such as the dark matter and the dark energy created after that are an issue related to the core of 21st century physics, including the ultimate in unified theory.

Nakamura :
       A unified theory is a dream. With the thought that there are layers to truth, the process for the next solution will be intriguing. I am hopeful, because in the next stage, when the problem of self-organization is solved, it seems as if it will be linked to living creatures. Then, I want to know where the small universe comes from.

       The beach ball is used to map data expressing the clearing of the universe. This was created and presented to commemorate the microwave observation satellite WMAP, which monitors conditions 380,000 years after the universe was created.

       In theoretical physics, success or failure is determined by the images thrown up by models for calculation and confirmation. The whiteboard in the lab is covered with formulas and diagrams. It is from here that intuition is born.

After the dialogue

Katsuhiko Sato

       I am a fan of the Biohistory Journal. I was permitted to attend the study meetings advocated by Ms. Nakamura when the office for creating the research hall was established, and I learned then that the Biohistory Journal was interesting. Today, I was very glad that Ms. Nakamura asked me about my specialty, which is the problem of the present dark matter and dark energy from the creation of the universe. Come to think of it, we also talked about the theory of the creation of the universe at that time. But that was just a scenario depicted by theoretical physics, because there was no supporting data from observations. Now, however, cosmology is in an era of observation, and an enormous amount of data can be obtained, just as it is for biological sciences. Circumstances have changed greatly. The most stimulating thing I heard during my conversation with Ms. Nakamura was her exhortation to think in verbs. We both strongly believe that by thinking and talking of a theory of the universe with verbs instead of nouns, we might be able to depict a grand scenario for the evolution of the universe, a Cosmology Journal.

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