From: hackbard <hackbard@sage.physik.uni-augsburg.de>
Date: Fri, 23 Nov 2007 07:10:55 +0000 (+0100)
Subject: added graphic
X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c8b9f3106989d8d403db872db680b47c6c64183;p=lectures%2Flatex.git

added graphic
---

diff --git a/solid_state_physics/tutorial/1_03s.tex b/solid_state_physics/tutorial/1_03s.tex
index dd97aa2..777f575 100644
--- a/solid_state_physics/tutorial/1_03s.tex
+++ b/solid_state_physics/tutorial/1_03s.tex
@@ -71,7 +71,8 @@
         \item $v_{average}=\frac{1}{t_0}\int_{0}^{t_0} v(t) dt
 	                  =-\frac{eE}{m}\frac{1}{t_0}[\frac{t^2}{2}]_{0}^{t_0}
 			  =-\frac{eE}{m}\frac{t_0}{2}=:-\frac{eE}{m}\tau$,
-              $\qquad t_0=2\tau$
+              $\qquad t_0=2\tau$, $v_{drift}=2v_{average}$
+	      \includegraphics[width=12cm]{drude_v.eps}
 	\item Each of the $n$ electrons per unit volume
 	      transfer the kinetic energy $\frac{1}{2}mv^2_{drift}$
 	      once per $t_0$ to the lattice