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Eugeniu Plamadeala edited untitled.tex
about 9 years ago
Commit id: cf6dd2c724d737870e3aec5d72d57babeb2d9071
deletions | additions
diff --git a/untitled.tex b/untitled.tex
index b6d3a21..30d2e1c 100644
--- a/untitled.tex
+++ b/untitled.tex
...
$$ -S_G = \frac{1}{4\pi K} \int d\tau dx \left[ i \partial_\tau \phi_R \partial_x \phi_R - i \partial_\tau \phi_L \partial_x \phi_L - ... \right]$$
It looks just like the perfect metal action, so I conclude that:
$$ \rho_R(x) =
\frac{1}{2\pi} \frac{-1}{2\pi} \partial_x \phi_R $$
$$ \rho_L(x) =
\frac{1}{2\pi} \frac{-1}{2\pi} \partial_x \phi_R $$