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Open Quantum Systems Decoherence

Instability as a Quantum Resource

arXiv
Authors: Goni Yoeli, Gilad Gour

Year

2026

Paper ID

10324

Status

Preprint

Abstract Read

~2 min

Abstract Words

95

Citations

N/A

Abstract

We consolidate coherence, athermality, and nonuniformity as sub-resources within an underlying quantum resource theory: instability. We formulate instability axiomatically as the transient information within a decaying physical system. Specifying a decay mechanism (e.g., dephasing, thermalization) recovers these familiar resources as specific manifestations of instability. We compute the one-shot distillation yield and dilution cost in various operational paradigms, and use them to pin down the extremal additive monotones. In the asymptotic regime, we show that all conversion rates are governed by a single additive monotone, and thereby we establish a universal second law for instability.

Why This Paper Matters

  • 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.
  • We consolidate coherence, athermality, and nonuniformity as sub-resources within an underlying quantum resource theory: instability.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.18323 [2] arXiv https://arxiv.org/abs/2602.18323 [3] Publisher https://arxiv.org/abs/2602.18323

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