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Kaituhi matua:	Mitchell , Thomas S.
Hōputu:	Recurso digital
Reo:
I whakaputaina:	Zenodo 2025
Ngā marau:	quantum decoherence, recoherence, open quantum systems, density matrix, system–environment coupling, phase coherence, phase information, quantum measurement, classical emergence, reduced density operator, environmental entanglement, decoherence timescales, quantum irreversibility, spin echo, dynamical decoupling, quantum error correction, Lindblad dynamics, unitary evolution, quantum foundations, measurement theory
Urunga tuihono:	https://doi.org/10.5281/zenodo.18035448
Ngā Tūtohu:	Tāpirihia he Tūtohu Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!

Rārangi ihirangi:

This work presents Version 2.0 of Quantum Decoherence and Conditional Recoherence as Loss and Restoration of Shared Phase Influence, a clarification and extension of standard decoherence theory within orthodox quantum mechanics. The paper reframes quantum decoherence as the physical loss of shared phase influence between components of a quantum system due to unavoidable entanglement with environmental degrees of freedom. Using standard density-matrix and system–environment coupling formalisms, decoherence is shown to correspond to dispersal of phase information into the environment rather than destruction of quantum states or invocation of fundamental wavefunction collapse. Conditional recoherence is treated within the same framework, demonstrating that restoration of coherence is possible only under constrained physical conditions where phase information has not irreversibly propagated into uncontrolled environmental modes. Known mechanisms such as spin-echo refocusing, dynamical decoupling, and quantum error correction are shown to be consistent with this interpretation. This Version 2.0 manuscript emphasizes structural clarity over speculative interpretation. It preserves unitary quantum dynamics, avoids observer-dependent or consciousness-based claims, and remains fully compatible with open-quantum-system formalisms including Lindblad-type master equations. The work provides a clearer physical account of measurement, irreversibility, and classical emergence without introducing new forces or modifying established quantum theory. The manuscript is intended for researchers and educators working in quantum foundations, open quantum systems, and quantum information theory, and is suitable for citation and pedagogical use.

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