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Open Quantum Systems Decoherence

No change in Hilbert space fundamentalism

arXiv

Authors: Ovidiu Cristinel Stoica

Year

2026

Paper ID

15542

Status

Preprint

Abstract Read

~2 min

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Abstract

Hilbert space fundamentalism (HSF) states that everything about the physical world is encoded in the Hamiltonian operator and the state vector (as a unit vector, not a wavefunction, which requires additional specification of a configuration space, a position basis, or the position observables). That all structures needed to describe reality, including subsystems, space, fields, emerge from these. I show that HSF can't account for our observations that the physical world changes in time.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
It adds a 2026 reference point for readers tracking recent quantum research.
Hilbert space fundamentalism (HSF) states that everything about the physical world is encoded in the Hamiltonian operator and the state vector (as a unit vector, not a...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.20331 [2] arXiv https://arxiv.org/abs/2602.20331 [3] Publisher https://arxiv.org/abs/2602.20331

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