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Eugeniu Plamadeala deleted Current operators.tex
about 9 years ago
Commit id: 06c3c001f51f0772c4bb08ae4431452756399380
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Let's now agree on the exact expressions for the current operators, with all factors of $\pi$ and $v_F$.
From the fermions we know the charge density operator
\begin{align}
\rho_e(x) &=& e (N_R(x) + N_L(x)) \\
&=& e\frac{-1}{2\pi} \left( \partial_x \phi_R + \partial_x \phi_L \right) \\
\partial_t \rho_e(x) + \partial_x j_e(x) &=& 0 \\
\implies j_e(x) &=&
\end{align}
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untitled.tex
Current operators.tex