$\eta$-trigonometric states of four qubits and entanglement measures

Andrzej M. Frydryszak

η-trigonometric states of four qubits and entanglement measures

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arxiv 0902.3553 v1 pith:RRTVUFX7 submitted 2009-02-20 quant-ph

η-trigonometric states of four qubits and entanglement measures

Andrzej M. Frydryszak This is my paper

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keywords entanglementstatesfourqubittrigonometricanalyzebehaviorchosen

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Entanglement of four qubit pure states defined by the $\eta$-trigonometric functions is studied. We analyze the behavior of two recently proposed symmetric entanglement monotones on the chosen $n=4$ qubit states .

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A deterministic five-type classification of three-qubit pure states yields explicit, connectivity-aware circuit templates whose gate parameters are computed directly from the target amplitudes.