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Kondo length in bosonic lattices

By Domenico Giuliano, Pasquale Sodano and Andrea Trombettoni

Abstract

Motivated by the fact that the low-energy properties of the Kondo model can be effectively simulated in spin chains, we study the realization of the effect with bond impurities in ultracold bosonic lattices at half filling. After presenting a discussion of the effective theory and of the mapping of the bosonic chain onto a lattice spin Hamiltonian, we provide estimates for the Kondo length as a function of the parameters of the bosonic model. We point out that the Kondo length can be extracted from the integrated real-space correlation functions, which are experimentally accessible quantities in experiments with cold atoms

Topics: Atomic and Molecular Physics, Optics
Year: 2017
DOI identifier: 10.1103/PhysRevA.96.033603/apsxml
OAI identifier: oai:iris.sissa.it:20.500.11767/71189
Provided by: SISSA Digital Library
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