Ponderomotive entanglement purification
arXiv:quant-ph/0012058 · doi:10.1016/S0375-9601(00)00790-8
Abstract
It is shown that ponderomotive force can be used to purify entangled states. The protocol is based on the possibility to exploit such force for a local quantum nondemolition measurement of the total excitation number of continuos variable entangled pairs.
7 pages, 3 figures, ReVTeX, Accepted for publication in Phys. Lett. A