Soppuse Alice have two particles A and C that are in a partly entangled state(adsbygoogle = window.adsbygoogle || []).push({});

|Y(A,C)>. We also have another person Bob (ofcourse) with whom Alice share a pair of entangled particles D and E in the singlet state.

Now suppose Alice make a measurement on her two particles C and D, she projects their state onto the Bell basis. And send her result to Bob who performs the appropriate local operations on his particle E. That is Alice teleports the state of particle C to Bobs particle E.

Will E be entangled with A ? If not at what point is the entanglement lost between A and C (or E).

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# What point is the entanglement lost

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