Entanglement Trapping in Structured Environments

By B. Bellomo, Rosario Lo Franco, Sabrina Maniscalco, Giuseppe Compagno. 2008

180 citations recorded by the source corpus.

Department of Physics, University of Turku, Turun yliopisto, FIN-20014 Turku, Finland(Dated: May 20, 2008)The entanglement dynamics of two independent qubits each embedded in a structured environ-ment under conditions of inhibition of spontaneous emission is analyzed, showing entanglementtrapping. We demonstrate that entanglement trapping can be used efficiently to prevent entangle-ment sudden death. For the case of realistic photonic band-gap materials, we show that high valuesof entanglement trapping can be achieved. This result is of both fundamental and applicative inter-est since it provides a physical situation where the entanglement can be preserved and manipulated,e.g. by Stark-shifting the qubit transition frequency outside and inside the gap.

View Paper: https://www.semanticscholar.org/paper/d0084a464c1ec4108f9e2aa07c4cf26e01766c84