Abstract
By using principal minor method, which is developed from the Peres-Horodecki criterion for the separability of a quantum state, we derive the necessary and sufficient conditions for the entanglement sudden death of a two-qubit state under amplitude damping and phase damping.
| Original language | English |
|---|---|
| Article number | 062322 |
| Journal | Physical Review A |
| Volume | 76 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 26 Dec 2007 |