The quantum harmonic oscillator and the real Hilbert space

Abstract:The harmonic oscillator is considered within generalized frameworks using complex and quaternionic numbers. The classical oscillator is considered in terms of a complex position function, and quantum oscillators are examined in terms of complex wave functions, and in terms of quaternionic wave functions as well. Both of the quantum solutions are obtained within the real Hilbert space formalism. The results reveal the complex and quaternionic descriptions as suitable frameworks for non-stationary processes, including damped oscillations, forced oscillations, and additionally self-interacting processes that cannot be appropriately described otherwise.

arXiv:2606.12060 [quant-ph]

(or arXiv:2606.12060v1 [quant-ph] for this version)

https://doi.org/10.48550/arXiv.2606.12060 Focus to learn more arXiv-issued DOI via DataCite (pending registration)

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