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    Representation of many particle states as fock states

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    Can a single Fock state |n> be written as a product of individual photon states, e.g. |2> = |1>|1>? If not, what experiments might show a difference in behavior between a two-photon state |2> and the product state |1>|1> ?

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    By definition, a many particle state of the form |n1,n2,n3...> denotes a state where there are n1 particles in one state, n2 in another etc. etc. If we focus on some single particle state, ...

    Solution Summary

    We clarify some issues about many particle states and Fock states.