多体問題とグリーン関数との関係の研究 : 高等量子力学における摂動理論(17)

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In this paper, next subjects are discussed. §38. Modified vacuum part. Here we defined a vacuum part as the sum of all closed graphs without particles entering or leaving. This give us the S-matrix for the effect of all polarization fluctuations, excitations of virtual parts in empty space. §39. Looking back what we have done as far in the series of these papers. §40. Another formula of Dyson's equation of fermion. §41. Another formula of Dyson's equation of boson. In above two sections we discuss Dyson's equation and renormalization and construct another Dyson equation of fermion and/or boson.
2006-12-20