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Quantum Simulation Entanglement Theory Quantum Correlations Open Quantum Systems Decoherence

Comment on: "Harmonic oscillator in an environment with a pointlike defect". Phys. Scr. 94 ( 2019) 125301

arXiv

Authors: Francisco M. Fernández

Year

2020

Paper ID

19957

Status

Preprint

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~2 min

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Abstract

We analyze recent results for a harmonic oscillator in an environment with a pointlike defect. We show that the allowed oscillator frequencies predicted by the authors stem from a misinterpretation of the exact solutions of a conditionally solvable eigenvalue equation. Also the exact eigenvalues derived by those authors are meaningless because they belong to different quantum-mechanical models.

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This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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We analyze recent results for a harmonic oscillator in an environment with a pointlike defect.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.07701 [2] arXiv https://arxiv.org/abs/2010.07701 [3] Publisher https://arxiv.org/abs/2010.07701

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