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Generalization of the entanglement of formation for multi-party systems
Quantum Physics · Submitted 10 Nov 2000
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Then, we suggest the generalization of the entanglement of formation for multi-party systems which is consistent with the regular definition for two-party systems and our definition for three-party systems.
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The abstract, sentence by sentence
We present the generalization of the entanglement of formation for three-party systems in a pure state. For three qubit system we derive out its explicit and closed expression which is a linear combination of the binary entropy functions with various arguments, and these arguments are clearly determined in terms of the components of state vector of three qubits. As a reasonable measure of entanglement, the main behaviors and elementary properties of this generalized entanglement of formation are showed through discussing some important and interesting examples. Moreover, we propose how to extend our definition to a mixed state in according to the familiar idea. Then, we suggest the generalization of the entanglement of formation for multi-party systems which is consistent with the regular definition for two-party systems and our definition for three-party systems.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We present the generalization of the entanglement of formation for three-party systems in a pure state. | contribution 1.00 | 0.94 | 0.35 | asserted 1.00 |
| s1 | For three qubit system we derive out its explicit and closed expression which is a linear combination of the binary entropy functions with various arguments, and these arguments are clearly determined in terms of the components of state vector of three qubits. | result 0.87 | 0.96 | 0.27 | asserted 1.00 |
| s2 | As a reasonable measure of entanglement, the main behaviors and elementary properties of this generalized entanglement of formation are showed through discussing some important and interesting examples. | contribution 0.55 | 0.92 | 0.16 | asserted 1.00 |
| s3 | Moreover, we propose how to extend our definition to a mixed state in according to the familiar idea. | contribution 0.70 | 0.88 | 0.08 | hedged possibility 0.65 |
| s4 | Then, we suggest the generalization of the entanglement of formation for multi-party systems which is consistent with the regular definition for two-party systems and our definition for three-party systems. | contribution 0.96 | 0.91 | 0.60 | hedged possibility 0.92 |
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Original abstract
We present the generalization of the entanglement of formation for three-party systems in a pure state. For three qubit system we derive out its explicit and closed expression which is a linear combination of the binary entropy functions with various arguments, and these arguments are clearly determined in terms of the components of state vector of three qubits. As a reasonable measure of entanglement, the main behaviors and elementary properties of this generalized entanglement of formation are showed through discussing some important and interesting examples. Moreover, we propose how to extend our definition to a mixed state in according to the familiar idea. Then, we suggest the generalization of the entanglement of formation for multi-party systems which is consistent with the regular definition for two-party systems and our definition for three-party systems.
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