X-Git-Url: https://hackdaworld.org/gitweb/?p=lectures%2Flatex.git;a=blobdiff_plain;f=solid_state_physics%2Ftutorial%2F2_01s.tex;fp=solid_state_physics%2Ftutorial%2F2_01s.tex;h=033c8ae2702dfe6cab0e232e27b839759de98d33;hp=22abb78af12bee66fb6baec09b2bbaf333f17f3a;hb=e53bf68c01b1f2408f15dcc155ca0715fdf7aa20;hpb=33ca95b143e3c667847d4edb2e0ffdd0ff4cd8c9

diff --git a/solid_state_physics/tutorial/2_01s.tex b/solid_state_physics/tutorial/2_01s.tex
index 22abb78..033c8ae 100644
--- a/solid_state_physics/tutorial/2_01s.tex
+++ b/solid_state_physics/tutorial/2_01s.tex
@@ -62,7 +62,7 @@
         \item $I = (\textrm{charge}) \cdot (\textrm{loops per time})
 	       \stackrel{1/T=\omega_L/2\pi}{=}
 	       (Ze)(\frac{1}{2\pi}\frac{-e}{2m}B)$\\
-	      $\mu=IA=I2\pi<\rho^2>=-\frac{Ze^2B}{4m}<\rho^2>$\\
+	      $\mu=IA=I\pi<\rho^2>=-\frac{Ze^2B}{4m}<\rho^2>$\\
 	      $<x^2>=<y^2>=<z^2> \Rightarrow <r^2>=3<x^2>=3<y^2>$\\
 	      $<\rho^2>=<x^2>+<y^2>=\frac{2}{3}<r^2>$\\
 	      $\mu=-\frac{Ze^2B}{6m}$