View Single Post
StevieTNZ is offline
Feb23-12, 04:31 PM
PF Gold
P: 776
Hi there,

If we set-up an experiment for entanglement swapping, the two entangled pairs of photons are:
Group 1: A, B
Group 2: X, Y

Take B and Y and perform a Bell-state measurement on them.
Obviously A and X are now entangled. But for this to occur, must B and Y have no definite polarisation?
Phys.Org News Partner Physics news on
Physicists design quantum switches which can be activated by single photons
'Dressed' laser aimed at clouds may be key to inducing rain, lightning
Higher-order nonlinear optical processes observed using the SACLA X-ray free-electron laser