Classical Limit: Dissipation of Spekkens' Generalised Contextuality under Decoherence

arXiv:2605.09558 · quant-ph, physics.hist-ph · Submitted 2026-05-10 · Read on arXiv

quant-ph, physics.hist-ph

Submitted: 2026-05-10

Updated: 2026-09-22

Comments: 24+11 pages, 2 figures. Erroneous KD/Wigner claims fixed, three subtheory cases differentiated, numerics added

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

Terminology

• Hilbert Space — 9× in this paper · explained in 2 episodes
• Wigner function — 8× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Axioms — 1× in this paper · explained in 2 episodes
• Ontology — 1× in this paper · explained in 2 episodes

Sources

• Quantum computational advantage implies contextuality
• Warring Contextualities -- Provably Classical vs Provably Nonclassical
• Quantifiers and witnesses for the nonclassicality of measurements and of states
• Reassessing the boundary between classical and nonclassical for individual quantum processes
• A structure theorem for complex-valued quasiprobability representations of physical theories
• Deterministic Underlying States are incompatible with a Counterfactual account of L\"uders' rule

Related papers

• Reconquering Bell sampling on qudits: stabilizer learning and testing, quantum pseudorandomness bounds, and more
• Encrypted clones can leak: Classification of informative subsets in Quantum Encrypted Cloning
• Polynomial-time classical and quantum simulation of quantum impurity models
• Theory of quantum-enhanced interferometry with general Markovian light sources
• A convergent hierarchy of spectral gap certificates for qubit Hamiltonians
• Universal Bound and Phase Transition in Many-Body Fermionic Non-Gaussianity