ファインマンさんの肩に乗って

Problem 8-6 Show that the constants \(a_{j\alpha}\) are the same even if the coupling is not just to the nearest neighbo...

Problem 8-5 A transition element which employs the same wave function as both the initial and final states is called an ...

Problem 8-4 Show that the ground-state wave function for the lagrangian of Eq. (8-78) can be written \begin{equation} \P...

Problem 8-3 Show that \(Q^{c}_{\alpha}\), \(Q^{s}_{\alpha}\) are normanl coordinates, representing, however, standing wa...

Problem 8-2 Show that the matrix \begin{equation*} \tau_{jk}=\sum_\alpha \frac{a_{j\alpha}a_{k\alpha}}{\omega_\alpha} \e...

Problem 8-1 Note that the amplide to go from any state \(f(x)\) to another state \(g(x)\) is the transition amplitude \(...