Quantum Fisher information and the Heisenberg limit in superpositions of two \(W\) states and symmetric state

DOI10.1007/s10773-012-1214-7zbMath1262.81020OpenAlexW2170227757MaRDI QIDQ1930600

Run-Sheng Wu, Xiao-Fang Ouyang

Publication date: 11 January 2013

Published in: International Journal of Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10773-012-1214-7

zbMATH Keywords

superpositionquantum Fisher informationHeisenberg limit

Mathematics Subject Classification ID

Measures of information, entropy (94A17) Quantum coherence, entanglement, quantum correlations (81P40)

Related Items (2)

Quantum Fisher information of \(N\) particles in the superposition of \(W\) and GHZ states ⋮ Quantum Fisher information of several qubitsin the superposition of a GHZ and two W stateswith arbitrary relative phase

Cites Work

• Quantum detection and estimation theory
• Quantum Fisher information in the generalized one-axis twisting model
• Controlled dense coding between multi-parties
• Separability criterion and inseparable mixed states with positive partial transposition.
• ENTANGLEMENT OF SUPERPOSITION OF MULTI-STATES
• CONTROLLED DENSE CODING VIA GHZ-CLASS STATE
• Statistical distance and the geometry of quantum states
• Separability Criterion for Density Matrices
• Quantum Secure Communication Using a Class of Three-Particle W State
• Entanglement of Formation of an Arbitrary State of Two Qubits
• Can Quantum-Mechanical Description of Physical Reality Be Considered Complete?

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