Abstract
We describe a pure state of four qubits whose single-qubit density matrices are all maximally mixed and whose average entanglement as a system of two pairs of qubits appears to be maximal. (C) 2000 Elsevier Science B.V. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 213-217 |
| Number of pages | 5 |
| Journal | Physics Letters A |
| Volume | 273 |
| Issue number | 4 |
| Publication status | Published - 28 Aug 2000 |