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Niels Bohr Institutet > Ansatte

Dissipative preparation of entanglement in optical cavities

Publikation: Forskning - peer reviewTidsskriftartikel

We propose a novel scheme for the preparation of a maximally entangled state of two atoms in an optical cavity. Starting from an arbitrary initial state, a singlet state is prepared as the unique fixed point of a dissipative quantum dynamical process. In our scheme, cavity decay is no longer undesirable, but plays an integral part in the dynamics. As a result, we get a qualitative improvement in the scaling of the fidelity with the cavity parameters. Our analysis indicates that dissipative state preparation is more than just a new conceptual approach, but can allow for significant improvement as compared to preparation protocols based on coherent unitary dynamics
OriginalsprogEngelsk
TidsskriftPhysical Review Letters
Vol/bind106
Tidsskriftsnummer9
Sider (fra-til)090502
Antal sider4
ISSN0031-9007
DOI
StatusUdgivet - 28 feb. 2011

ID: 32895603