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arxiv: quant-ph/0507077 · v2 · submitted 2005-07-08 · 🪐 quant-ph

Entanglement monotones for multi-qubit states based on geometric invariant theory

classification 🪐 quant-ph
keywords entanglementmonotonesgeometricinvariantmulti-qubitstatestheorycentral
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We construct entanglement monotones for multi-qubit states based on Pl\"{u}cker coordinate equations of Grassmann variety, which are central notion in geometric invariant theory. As an illustrative example, we in details investigate entanglement monotones of a three-qubit state.

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