Disentanglement in qubit-qutrit systems

Details Disentanglement in qubit-qutrit systems Disentanglement in qubit-qutrit systems

2007-10-11

arxiv.org/abs/0710.2238v1

Physics

Quantum Physics

14 pages, 4 figures

Scientific paper

We examine the phenomenon of {\it entanglement sudden death} (ESD) for $(2 \times 3)$-dimensional systems. As for $2 \times 2$ systems, the negativity vanishes in finite time for some entangled pure as well as mixed states. While locally equivalent pure states do so asymptotically. Interference between the decay of the two upper levels to the lowest one in the qutrit adds further richness to ESD in this systems.

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