Classification of Kirkwood-Dirac positivity-preserving unitaries

arXiv:2502.11784 · quant-ph · Submitted 2025-02-17 · Read on arXiv

quant-ph

Submitted: 2025-02-17

Updated: 2026-10-21

Comments: 14+9 pages, 2 figures, 1 table; v4 is as accepted by PRA

Journal ref: Phys. Rev. A 114, 042446 (2026)

DOI: 10.1103/rsy9-12fx

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Unitary Dynamics — 1× in this paper · explained in 2 episodes

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