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Quantum Clocks as Sensors for Curved Spacetime by Gravity

量子時計は重力で曲がった時空間のセンサー

July 20, 2023 at 9:20 am
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According to Einstein’s theory of relativity, a lower clock ticks slower than the upper clock because of gravity. Advanced atomic clocks detect a height difference of a centimeter, making Salvador Dali’s painting of melting clocks a reality. We overview our atomic clocks and envision a future society implemented with such clocks.
Hidetoshi Katori, Professor, Tokyo University

 

アインシュタインの相対論によれば、重力によって下方の時計は上方の時計よりゆっくり時を刻む。高度な原子時計では1cmの高低差を検出し、ダリが絵に描いた重力で曲がった時計が現実になる。開発中の原子時計を紹介し、それらが実装された未来社会を構想する。

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Featured Speaker(s):
Hidetoshi Katori

香取 秀俊 / Hidetoshi Katori

教授 / Professor 東京大学 / The University of Tokyo

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Quantum Clocks as Sensors for Curved Spacetime by Gravity

July 20, 2023 @ 9:20 am - 9:40 pm

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Featured Speaker(s):
Hidetoshi Katori

香取 秀俊 / Hidetoshi Katori

教授 / Professor 東京大学 / The University of Tokyo

According to Einstein’s theory of relativity, a lower clock ticks slower than the upper clock because of gravity. Advanced atomic clocks detect a height difference of a centimeter, making Salvador Dali’s painting of melting clocks a reality. We overview our atomic clocks and envision a future society implemented with such clocks.

Hidetoshi Katori, Professor, Tokyo University

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Date:
July 20, 2023
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9:20 am - 9:40 pm
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Plenary Talks
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