The model has a hybridized phase where spin-liquid Majorana fermions and conduction electrons form a common small Fermi surface violating the Luttinger count, with momentum-dependent coherence factors that produce Fermi arcs.
A microscopic model of fractionalized Fermi liquid
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abstract
In this short letter we identify a relationship between the Kondo lattice model formulated in Coleman {\it et.al}, Phys. Rev. Lett. {\bf 129}, 177601 (2022) and Ancilla Layer formulation of the Hubbard model recently proposed by Zhang and Sachdev.
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UNVERDICTED 2representative citing papers
Identifies a relationship between the Kondo lattice model and the ancilla layer Hubbard model as a microscopic realization of the fractionalized Fermi liquid.
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Tractable model for a fractionalized Fermi liquid (FL$^*$) on a square lattice
The model has a hybridized phase where spin-liquid Majorana fermions and conduction electrons form a common small Fermi surface violating the Luttinger count, with momentum-dependent coherence factors that produce Fermi arcs.
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A microscopic model of fractionalized Fermi liquid
Identifies a relationship between the Kondo lattice model and the ancilla layer Hubbard model as a microscopic realization of the fractionalized Fermi liquid.