経路積分問題

Problem 7-5 The result in another way is \begin{equation} \def\ppdiff#1#2{\frac{\partial #1}{\partial #2}} \left...

Problem 7-4 Consider the path integral \begin{equation} \def\ppdiff#1#2{\frac{\partial #1}{\partial #2}} \int \m...

Problem 7-3 Show that \(\displaystyle{\frac{\delta F}{\delta j(\mathbf{r},s)}}\), where \begin{equation} \def\mb#...

Problem 7-2 If \(F=x(\tau)\), show that \begin{equation} \frac{\delta F}{\delta x(s)}=\delta(\tau-s) \tag{7-26}...

Problem 7-1 If \(\displaystyle{S=\int_{t_1}^{t_2} L(\dot{x},x,t)\,dt}\), show that, for any \(s\) inside the range ...

Problem 6-12 Assume that \(V(\mathbf{r})\) is independent of time and show that the time integral of the second-ord...

Problem 6-11 Suppose the diatomic molecules are oriented in a random fashion. Show that the electron scattering ave...

Problem 6-10 Consider a diatomic molecule containing two atoms, \(A\) and \(B\), arranged with their centers at the...

Problem 6-9 Suppose we introduce the fact that the atomic nucleus has a finite radius given by \begin{equation} \...

Problem 6-8 In an atom the potential follows the Coulomb law only for very small radii. As the radius is increased ...

Problem 6-7 Suppose the potential energy \(V(\mathbf{r})=-e\phi(\mathbf{r})\) is the result of a charge distributio...

Problem 6-6 Suppose the potential is that of a central force. Thus \(V(\mathbf{r})=V(r)\). Show that \(v(\mathbf{q}...