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 |
Scopus Subject Areas
- Atomic and Molecular Physics, and Optics