English

Channel-state duality and the separability problem

Quantum Physics 2020-05-06 v2 Mathematical Physics math.MP

Abstract

Separability of quantum states is analyzed with the use of the Choi-Jamiolkowski isomorphism. Spectral separability criteria are derived. The presented approach is illustrated with various examples, among which a separable decomposition of 2 \otimes 2 isotropic states is obtained.

Keywords

Cite

@article{arxiv.1909.13309,
  title  = {Channel-state duality and the separability problem},
  author = {K. V. Antipin},
  journal= {arXiv preprint arXiv:1909.13309},
  year   = {2020}
}

Comments

22 pages

R2 v1 2026-06-23T11:29:28.582Z