X-states of a qubit pair of double classicality
Quantum Physics
2025-10-07 v1
Abstract
A special class of states of 2-qubits which are simultaneously separable and have positive semidefinite Wigner functions is described.
Cite
@article{arxiv.2510.04292,
title = {X-states of a qubit pair of double classicality},
author = {Arsen Khvedelidze and Dimitar Mladenov and Astghik Torosyan},
journal= {arXiv preprint arXiv:2510.04292},
year = {2025}
}