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- W2624040080 abstract "Concurrence, introduced by Hill and Wootters [Phys. Rev. Lett. 78, 5022 (1997)], provides an important measure of entanglement for a general pair of qubits that is strictly positive for entangled states and vanishing for all separable states. We present an extension of concurrence to general continuous variable pure states of multiple degrees of freedom by generalizing the Lagrange's identity and wedge product framework proposed by Bhaskara et al. [Quantum Inf. Process. 16, 118 (2017)] for pure discrete variable systems in arbitrary dimensions. A family of faithful entanglement measures, of which concurrence is a member, is constructed that admit necessary and sufficient conditions for separability across arbitrary bipartitions, which is shown as a particular invariance with connections to the partial transpose, uncovering an inherent geometry of entanglement. This framework may be useful for the further extensions to mixed states and entanglement in quantum field theories." @default.
- W2624040080 created "2017-06-15" @default.
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- W2624040080 date "2017-06-05" @default.
- W2624040080 modified "2023-09-27" @default.
- W2624040080 title "Generalized concurrence and partial transpose for pure continuous variable systems of arbitrary degrees of freedom using Lagrange's identity and wedge product" @default.
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