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cond-mat.str-el2019
Beyond Fermi-Liquid Theory: the -Fermi liquids
Tai-Kai Ng
We study in this paper the general properties of a many body system of fermions in arbitrary dimensions assuming that the {\em momentum} of individual fermions are good quantum num…
cond-mat.supr-con2019★ 12 cited
Strongly enlarged topological regime and enhanced superconducting gap in nanowires coupled to Ising superconductors
Ying-Ming Xie, Benjamin T. Zhou, T. K. Ng +1
An external magnetic field is needed to drive a nanowire in proximity to an s-wave superconductor into a topological regime which supports Majorana end states. However, a magnetic…
cond-mat.str-el2019★ 8 cited
Generalized Falicov-Kimball Models
Xiao-Hui Li, Zewei Chen, Tai-Kai Ng
In this paper we extend the Falicov-Kimball model (FKM) to the case where the "quasi-particles" entering the FKM are not "ordinary" fermions. As an example we first discuss how the…