Electron-phonon interaction in Kondo lattice systems
Tadahiro Miyao, Hayato Tominaga
TL;DR
This paper investigates the effects of electron-phonon interactions on the ground state properties of Kondo lattice systems, establishing uniqueness and spin characteristics using advanced mathematical methods.
Contribution
It introduces an extension of spin reflection positivity techniques to analyze ground states in Kondo lattice models with electron-phonon coupling.
Findings
Ground state is proven to be unique.
Total spin of the ground state is determined by lattice structure.
Method extends spin reflection positivity to new contexts.
Abstract
We study ground state properties of the Kondo lattice model with an electron-phonon interaction. The ground state is proved to be unique; in addition, the total spin of the ground state is determined according to the lattice structure. To prove the assertions, an extension of the method of spin reflection positivity is given in terms of order preserving operator inequalities.
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