the mpi publication, finally!

[lectures/latex.git] / solid_state_physics / tutorial / 2_01.tex

diff --git a/solid_state_physics/tutorial/2_01.tex b/solid_state_physics/tutorial/2_01.tex
index 7ccbbaf..cddf85b 100644 (file)
--- a/solid_state_physics/tutorial/2_01.tex
+++ b/solid_state_physics/tutorial/2_01.tex
@@ -104,7 +104,7 @@ atom or ion.
         \item Calculate the magnetic suscebtibility in a state $\phi$.
              What term is responsible for the diamagnetic contribution?
              {\bf Hint:} The magnetic suscebtibility is defined as
-             $\chi=-\frac{1}{V}\frac{\partial^2 E}{\partial B^2}$.
+             $\chi=-\frac{1}{V}\mu_0\frac{\partial^2 E}{\partial B^2}$.
        \item Assuming a spherically symmetric charge distribution the equality
              $<\phi|x^2|\phi>=<\phi|y^2|\phi>=\frac{1}{3}<\phi|r^2|\phi>$
              is valid. Rewrite the diamagnetic part of the suscebtibility