Finite-time disentanglement via spontaneous emission.
We show that under the influence of pure vacuum noise two entangled qubits become completely disentangled in a finite-time, and in a specific example we find the time to be given by ln((2+sqrt[2] / 2) times the usual spontaneous lifetime.
Yu
Ting
T
Rochester Theory Center for Optical Science and Engineering and the Department of Physics & Astronomy University of Rochester, Rochester, New York 14627, USA. ting@pas.rochester.edu
Eberly
J H
JH