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Open Quantum Systems Decoherence

Virial-ansätze for the Schrödinger Equation with a symmetric strictly convex potential

arXiv
Authors: S. P. Flego

Year

2020

Paper ID

21371

Status

Preprint

Abstract Read

~2 min

Abstract Words

99

Citations

N/A

Abstract

Considering symmetric strictly convex potentials, a local relationship is inferred from the virial theorem, based on which a real log-concave function can be constructed. Using this as a weight function and in such a way that the virial theorem can still be verified, parameter-free ansätze for the eigenfunctions of the associated Schrödinger equation are built. To illustrate the process, the technique is successfully tested against the harmonic oscillator, in which it leads to the exact eigenfunctions, and against the quartic anharmonic oscillator, which is considered the paradigmatic testing ground for new approaches to the Schrödinger equation.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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  • Considering symmetric strictly convex potentials, a local relationship is inferred from the virial theorem, based on which a real log-concave function can be constructed.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.08179 [2] arXiv https://arxiv.org/abs/2008.08179 [3] Publisher https://arxiv.org/abs/2008.08179

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