Recognition: unknown
Extracting an arbitrary relative phase from a multiqubit two-component entangled state
classification
🪐 quant-ph
keywords
arbitraryentangledmultiqubitphaserelativestatetwo-componentaddition
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We show that an arbitrary relative phase can be extracted from a multiqubit two-component (MTC) entangled state by local Hadamard transformations and measurements along a single basis only. In addition, how to distinguish a MTC entangled state with an arbitrary entanglement degree and relative phase from a class of multiqubit mixed states is discussed.
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