Zooming in on heavy fermions in Kondo lattice models

Resolving the heavy fermion band in the conduction electron momentum resolved spectral function of the Kondo lattice model is challenging since, in the weak coupling limit, its spectral weight is exponentially small. In this article we consider a composite fermion operator, consisting of a conductio...

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Veröffentlicht in:	arXiv.org 2021-10
Hauptverfasser:	Danu, Bimla, Liu, Zihong, Assaad, Fakher F, Raczkowski, Marcin
Format:	Artikel
Sprache:	eng
Schlagworte:	Conduction bands Conduction electrons Couplings Electron spin Elementary excitations Fermions Ferromagnetism High temperature Mathematical analysis Photoelectric emission Physics - Strongly Correlated Electrons Quantum numbers Residues Spectra Zooming
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