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Open Quantum Systems Decoherence

Comment on: "Rashba coupling induced by Lorentz symmetry breaking effects". Ann. Phys. (Berlin) 526, 187 (2013)

arXiv

Authors: Francisco M. Fernández

Year

2020

Paper ID

20737

Status

Preprint

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~2 min

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Abstract

We analyze the results of a paper on "the arising of a Rashba-like coupling, a Zeeman-like term and a Darwin-like term induced by Lorentz symmetry breaking effects in the non-relativistic quantum dynamics of a spin-1/2 neutral particle interacting with external fields". We show that the authors did not obtain the spectrum of the eigenvalue equation but only one eigenvalue for a specific relationship between model parameters. In particular, the existence of allowed cyclotron frequencies conjectured by the authors is a mere artifact of the truncation condition used to obtain exact solutions to the radial eigenvalue equation.

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We analyze the results of a paper on "the arising of a Rashba-like coupling, a Zeeman-like term and a Darwin-like term induced by Lorentz symmetry breaking effects in the...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2009.07039 [2] arXiv https://arxiv.org/abs/2009.07039 [3] Publisher https://arxiv.org/abs/2009.07039

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