1 順天堂大学保健医療学部診療放射線学科Department of Radiological Technology, Faculty of Health Science, Juntendo University
2 高エネルギー加速器研究機構KEK Theory Center, High Energy Accelerator Research Organization
一般相対性理論と量子論は現代物理学の柱です。異なる理論を矛盾なくまとめて表すことで発展してきた理論物理学において，次なる大きな課題は一般相対性理論と量子論をまとめること，つまり重力の量子論の構築です。超弦理論はこの重力の量子論の候補であると同時に，重力，電磁気力，弱い力，強い力の4つの力をまとめる理論の候補でもあります。超弦理論がいかにして生まれ，どのような描像をもたらすのか，「まとめて表す」ことを切り口として解説します。
General relativity and quantum theory are the pillars of modern physics. Theoretical physics has developed, unifying different theories consistently. The next big challenge for theoretical physics is unifying general relativity and quantum theory. Superstring theory is a candidate for the quantum theory of gravity. At the same time, it is also a candidate for the unified theory of four forces: gravity, electromagnetic force, weak force, and strong force. I will explain how superstring theory was born and how it is along the idea of unification.
Key words: superstring theory; unified field theory; four forces; nature of radiations
© Japan Radioisotope Association 2023. This is an open access article distributed under the Creative Commons Attribution 4.0 International (CC BY 4.0) License (https://creativecommons.org/licenses/by/4.0/)© Japan Radioisotope Association 2023. This is an open access article distributed under the Creative Commons Attribution 4.0 International (CC BY 4.0) License (https://creativecommons.org/licenses/by/4.0/)
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