General pure multipartite entangled states and the Segre variety
classification
🪐 quant-ph
keywords
generalstatesentanglementmeasuremultipartitepuresegrevariety
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In this paper, we construct a measure of entanglement by generalizing the quadric polynomial of the Segre variety for general multipartite states. We give explicit expressions for general pure three-partite and four-partite states. Moreover, we will discuss and compare this measure of entanglement with the generalized concurrence.
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