Preprint
Sep 2026
Higher derivative Ho\v{r}ava-Lifshitz fermions: from superconductivity to atomic spectroscopy
We investigate an isotropic Ho\v{r}ava-Lifshitz fermion theory supplemented by a dimension-six spatial derivative operator, preserving first order time evolution while modifying the ultraviolet dispersion relation. Within the regime of validity of the derivative expansion, we develop three complementary consequences of...
A. A. Araújo, K. D. de Farias, N. Heidari et al.
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