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Flaviu Cipcigan edited magnetoresistance.tex
over 10 years ago
Commit id: 183ac4d81018e162fbbb482525b3088e49ff80ad
deletions | additions
diff --git a/magnetoresistance.tex b/magnetoresistance.tex
index fc34707..e476356 100644
--- a/magnetoresistance.tex
+++ b/magnetoresistance.tex
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E_y = \omega_\textrm{c} \tau E_x \\
j_x = \sigma_0 E_x
\end{equation}
This effect is just the classical Hall effect: the conductance in the $x$ direction remains unchanged, with the magnetic field creating an electric field in the $y$ direction due to redistribution of charge. However, this derivation hinges on a crucial assumption: \emph{all} charge carriers have the same decay time. We've seen that not to be true in the case of the Landau quasiparticles -- their decay time depends on how far away their energy is to the Fermi energy.
Therefore, in a Fermi Liquid,