2021
DOI: 10.3390/e23030290
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Entangling Lattice-Trapped Bosons with a Free Impurity: Impact on Stationary and Dynamical Properties

Abstract: We address the interplay of few lattice trapped bosons interacting with an impurity atom in a box potential. For the ground state, a classification is performed based on the fidelity allowing to quantify the susceptibility of the composite system to structural changes due to the intercomponent coupling. We analyze the overall response at the many-body level and contrast it to the single-particle level. By inspecting different entropy measures we capture the degree of entanglement and intraspecies correlations … Show more

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Cited by 6 publications
(4 citation statements)
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“…Because thousands or more studies have investigated the above quantum phenomena, we searched the literature using a group of six key words: splitter (or tunnel, double slit, or two slit), composite system, entangled state, approximate (or approximation), product state, and mixed state. We only found one related publication [52], and it does not contain a discussion similar to ours.…”
Section: Independence Induces Counterintuitive Explanationsmentioning
confidence: 96%
“…Because thousands or more studies have investigated the above quantum phenomena, we searched the literature using a group of six key words: splitter (or tunnel, double slit, or two slit), composite system, entangled state, approximate (or approximation), product state, and mixed state. We only found one related publication [52], and it does not contain a discussion similar to ours.…”
Section: Independence Induces Counterintuitive Explanationsmentioning
confidence: 96%
“…Because thousands or more studies have investigated the above quantum phenomena, we searched the literature using a group of six key words: splitter (or tunnel, double slit, or two slit), composite system, entangled state, approximate (or approximation), product state, and mixed state. We only found one related publication [27], and it does not contain a discussion similar to ours.…”
Section: Introductionmentioning
confidence: 96%
“…In particular, the binding energies of one and two fermionic impurities in one-dimensional lattices have been recently studied with the density-matrix renormalization group (DMRG) [64], which can be potentially examined experimentally with spectroscopy measurements [11]. In addition, and as an alternative to Hubbard models, impurities in small lattices have been studied using Hamiltonians with oscillatory potentials [65,66], particularly to study the effect of shallow optical potentials and entanglement properties [66][67][68].…”
Section: Introductionmentioning
confidence: 99%