Effective mass at the surface of a Fermi liquid
classification
❄️ cond-mat.str-el
cond-mat.supr-con
keywords
effectivemasssurfacecalculatecorrelation-drivendynamicalelectronenhanced
read the original abstract
Using the dynamical mean-field theory, we calculate the effective electron mass in the Hubbard model on a semi-infinite lattice. At the surface the effective mass is strongly enhanced. Near half-filling this gives rise to a correlation-driven one-electron surface mode.
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