[過去ﾛｸﾞ] ガロア第一論文及びその関連の資料スレ (1002ﾚｽ)
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163(1): 2023/02/03(金)21:30 ID:0QP90A6z(4/6) AAS
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外部ﾘﾝｸ:en.wikipedia.org
Instanton
An instanton (or pseudoparticle[1][2][3]) is a notion appearing in theoretical and mathematical physics. An instanton is a classical solution to equations of motion with a finite, non-zero action, either in quantum mechanics or in quantum field theory. More precisely, it is a solution to the equations of motion of the classical field theory on a Euclidean spacetime.

外部ﾘﾝｸ:ja.wikipedia.org
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165(1): 2023/02/03(金)23:38 ID:0QP90A6z(6/6) AAS
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外部ﾘﾝｸ:en.wikipedia.org
Instanton
4d supersymmetric gauge theories

For gauge theories with gauge group U(N) the Seiberg?Witten geometry has been derived from gauge theory using Nekrasov partition functions in 2003 by Nikita Nekrasov and Andrei Okounkov and independently by Hiraku Nakajima and Kota Yoshioka.

In N = 4 supersymmetric gauge theories the instantons do not lead to quantum corrections for the metric on the moduli space of vacua.
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