From 32f786010b14f1197f69bddc12e6e35bff697fba Mon Sep 17 00:00:00 2001 From: hackbard Date: Fri, 16 Nov 2007 08:07:42 +0100 Subject: [PATCH] taylor --- solid_state_physics/tutorial/1_02s.tex | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/solid_state_physics/tutorial/1_02s.tex b/solid_state_physics/tutorial/1_02s.tex index e782f74..2827bb7 100644 --- a/solid_state_physics/tutorial/1_02s.tex +++ b/solid_state_physics/tutorial/1_02s.tex @@ -80,7 +80,7 @@ \item $\sigma_{\perp} = \alpha \rho_0$, $\alpha \ll 1$\\ $\sqrt{\rho_0^2+\sigma_{\perp}^2}= \sqrt{\rho_0^2+\alpha^2\rho_0^2}= - \rho_0\sqrt{1+\alpha^2}= + \rho_0\sqrt{1+\alpha^2}\stackrel{Taylor}{=} \rho_0(1+\frac{\alpha^2}{2}-\frac{\alpha^4}{8}+\ldots)$\\ $\Rightarrow \Phi-\Phi_0= \frac{D}{2}\left[\rho_0^2\left(2+\alpha^2- -- 2.20.1