Author

A. B. Klimov

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Preprint Oct 2026

Optimized discrete Wigner representations and non-stabilizerness in qubit systems

The apparent absence of a stabilizer-specific phase-space description for qubit systems is not fundamental, but arises from fixing a state-independent discrete Wigner map. Allowing the phase-space representation to adapt to the state through a simple optimization procedure, we prove that every qubit stabilizer state ad...

A. B. Klimov, C. Muñoz, I. Sainz · 0 citations

Preprint Aug 2026

Spin-coherent quantum designs

Coherent states bridge the gap between quantum and classical physics, but their overcomplete and nonorthogonal nature makes it difficult to identify the minimal discrete set needed to reconstruct quantum information. Finite spin-coherent tomography and discrete coherent-state operator bases are known, but here we addre...

Marcin Rudziński, A. Goldberg, A. B. Klimov et al. · 0 citations