• Corpus ID: 251442680

Entanglement Universality of TGX States in Qubit-Qutrit Systems

@inproceedings{Hedemann2022EntanglementUO,
  title={Entanglement Universality of TGX States in Qubit-Qutrit Systems},
  author={Samuel R. Hedemann},
  year={2022}
}
We prove that all states (mixed or pure) of qubit-qutrit (2 × 3) systems have entanglement-preserving unitary (EPU) equivalence to a compact subset of true-generalized X (TGX) states called EPU-minimal TGX states which we give explicitly. Thus, for any spectrum-entanglement combination achievable by general states, there exists an EPU-minimal TGX state of the same spectrum and entanglement. We use I-concurrence to measure entanglement and give an explicit formula for it for all 2 × 3 minimal… 

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