We present a scheme for the extraction of singlet states of two remote particles of arbitrary quantum spin number. The goal is achieved through post-selection of the state of interaction mediators sent in succession. A small number of iterations is sufficient to make the scheme effective. We propose two suitable experimental setups where the protocol can be implemented.
Ciccarello, F., Paternostro, M., Kim, M.S., Palma, G.M. (2008). Extraction of Singlet States from Noninteracting High-Dimensional Spins. PHYSICAL REVIEW LETTERS, 100, 150501-1-150501-4 [10.1103/PhysRevLett.100.150501].
Extraction of Singlet States from Noninteracting High-Dimensional Spins
CICCARELLO, Francesco;Paternostro, M;PALMA, Gioacchino Massimo
2008-01-01
Abstract
We present a scheme for the extraction of singlet states of two remote particles of arbitrary quantum spin number. The goal is achieved through post-selection of the state of interaction mediators sent in succession. A small number of iterations is sufficient to make the scheme effective. We propose two suitable experimental setups where the protocol can be implemented.
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