Creating and probing multipartite macroscopic entanglement with light.
We propose an immediately realizable scheme showing signatures of multipartite entanglement generated by radiation pressure in a cavity system with a movable mirror. We show how the entanglement involving the inaccessible massive object is unraveled by means of field-field quantum correlations and persists within a wide range of working conditions. Our proposal provides an operative way to infer the quantum behavior of a system that is only partially accessible.
Paternostro
M
M
School of Mathematics and Physics, Queen's University, Belfast BT7 1NN, United Kingdom.
Vitali
D
D
Gigan
S
S
Kim
M S
MS
Brukner
C
C
Eisert
J
J
Aspelmeyer
M
M