bugfix in 1_01s + changed excercise in 1_02

[lectures/latex.git] / solid_state_physics / tutorial / 1_01s.tex

diff --git a/solid_state_physics/tutorial/1_01s.tex b/solid_state_physics/tutorial/1_01s.tex
index 83391bb..ef49e3c 100644 (file)
--- a/solid_state_physics/tutorial/1_01s.tex
+++ b/solid_state_physics/tutorial/1_01s.tex
@@ -79,7 +79,7 @@
          \[
          - \frac{\hbar^2}{2m} \frac{d^2}{dx^2} F_x(x) = E_x F_x(x), \quad
          - \frac{\hbar^2}{2m} \frac{d^2}{dy^2} F_y(y) = E_y F_y(y),\quad
-         - \frac{\hbar^2}{2m} \frac{d^2}{dz^2} F_z(z) = E_x F_z(z).
+         - \frac{\hbar^2}{2m} \frac{d^2}{dz^2} F_z(z) = E_z F_z(z).
         \]
         \[
          \Rightarrow \Big[E_x + E_y + E_z\Big] F_x(x) F_y(y) F_z(z) =