Quantum Fisher information in the cosmic string spacetime

DOI10.1088/1361-6382/ABA180zbMath1479.83267OpenAlexW3039065773MaRDI QIDQ5161862

Haozhen Situ, Zhiming Huang, Zhimin He

Publication date: 1 November 2021

Published in: Classical and Quantum Gravity (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/1361-6382/aba180

zbMATH Keywords

electromagnetic fieldquantum Fisher informationcosmic string spacetime

Mathematics Subject Classification ID

Relativistic cosmology (83F05) String and superstring theories in gravitational theory (83E30) Electromagnetic fields in general relativity and gravitational theory (83C50) Quantum measurement theory, state operations, state preparations (81P15) Quantum entropies (81P17)

Related Items (1)

Quantum thermometry in electromagnetic field of cosmic string spacetime

Cites Work

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• Completely positive dynamical semigroups of N-level systems
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• Evidence of cosmic strings by the observation of the alignment of quasar polarization axes on Mpc scale

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