Stabilizing Distinguishable Qubits against Spontaneous Decay by Detected-Jump Correcting Quantum Codes - Alber, Gernot (Verfasser); Beth, Thomas (Verfasser); Charnes, Christopher (Verfasser); Delgado, Aldo (Verfasser); Grassl, M. (Verfasser); Mussinger, Michael (Verfasser) (Physical review letters, 2001)