X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=solid_state_physics%2Ftutorial%2F2_02.tex;h=b9b5c5a93af222bb4722c4d5382faceb861b7866;hb=fec7e52be07515b5dac392facfa0b2022d002c21;hp=ecafd2a925bb40885c7b046efb386fa4aee3e9f3;hpb=bb20e9a1cf8917e5353683c00dd733016cfbbd3a;p=lectures%2Flatex.git

diff --git a/solid_state_physics/tutorial/2_02.tex b/solid_state_physics/tutorial/2_02.tex
index ecafd2a..b9b5c5a 100644
--- a/solid_state_physics/tutorial/2_02.tex
+++ b/solid_state_physics/tutorial/2_02.tex
@@ -58,7 +58,8 @@ and $\lambda$ is the London penetration depth.
        {\bf Hint:}
        Use the relation $I_c=\int_0^R dr \int_0^{2\pi} d\phi \, j_c(r) r$
        and integration by parts.
- \item Calculate $j_c(R,T=0K)$ for a wire of Sn with a radius of 1 mm at $T=0K$.
+ \item Calculate $j_c(R,T=0K)$ for a wire of Sn with a diameter of 1 mm
+       at $T=0K$.
        The critical current and penetration depth at $T=0K$  are
        $I_c=75\, A$ and $\lambda =300\cdot 10^{-10}\, m$.
 \end{enumerate}