Exact Unitary Transformation of the One-Dimensional Periodic Anderson Model
Raymond Chan, Miklos Gulacsi
TL;DR
This paper derives an exact effective Hamiltonian for the one-dimensional periodic Anderson model using an infinite-order canonical transformation, providing insights into the magnetic properties of Kondo lattice compounds.
Contribution
It presents the first exact canonical transformation of the 1D periodic Anderson model, advancing theoretical understanding of its magnetic behavior.
Findings
Exact effective Hamiltonian derived for the 1D periodic Anderson model.
Infinite-order canonical transformation performed, ensuring mathematical exactness.
Implications discussed for magnetic properties of Kondo lattice compounds.
Abstract
An effective hamiltonian is derived exactly for the one-dimensional periodic Anderson model via a canonical transformation. The canonical transformation has been calculated up to infinite order, thus an exact transformation was performed in the strict mathematical sense. We also discuss briefly the impact of the obtained result on understanding the magnetic properties of several Kondo lattice compounds.
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Taxonomy
TopicsRare-earth and actinide compounds · Magnetism in coordination complexes · Advanced Chemical Physics Studies