Bosonization on the lattice: the emergence of the higher harmonics
classification
❄️ cond-mat
hep-th
keywords
harmonicshigherbosonizationlatticepresentedappearbandsbosonize
read the original abstract
A general and transparent procedure to bosonize fermions placed on a lattice is presented. Harmonics higher than $k_F$ are shown to appear in the one-paticle Green function, due to the compact character of real electron bands. Quantitative estimations of the role of these higher harmonics are made possible by the bosonization technique presented here.
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