2022-04

経路積分問題

問題 9-4 の解答例

Problem9-4InSec.2-1wediscussedthemechanismsforobtainingthemechanicalequationsofmotionfromtheformoftheaction\(S\)byobtain...
経路積分問題

問題 9-3 の解答例

Problem9-3Provethattherelation\(\phi_{\mathbf{k}}=4\pi\rho_{\mathbf{k}}/k^{2}\)simplymeansthat\(\phi_{\mathbf{k}}\)atany...
経路積分問題

問題 9-2 の解答例

Problem9-2Explainwhythechargedensitycorrespondingtoasinglecharge\(e\)locatedatthepoint\(\mathbf{x}(t)=(x(t),y(t),z(t))\)...