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quant-ph2014★ 13 cited
Role of quantum correlation in metrology beyond standard quantum limit
Manabendra N. Bera
Quantum metrology is studied in the presence of quantum correlation. The quantum correlation measure based on quantum Fisher information enables us to gain a deeper insight on how…
quant-ph2014★ 4 cited
Quantum Fisher information as the measure of Gaussian quantum correlation: Role in quantum metrology
Manabendra N. Bera
We have introduced a measure of Gaussian quantum correlations based on quantum Fisher information. For bipartite Gaussian states the minimum quantum Fisher information due to local…