Strategies for Positive Partial Transpose (PPT) States in Quantum Metrologies with Noise

Quantum metrology overcomes standard precision limits and has the potential to play a key role in quantum sensing. Quantum mechanics, through the Heisenberg uncertainty principle, imposes limits on the precision of measurements. Conventional bounds to the measurement precision such as the shot noise...

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Bibliographic Details
Published in:	Entropy
Main Authors:	Arunava Majumder, Harshank Shrotriya, Leong-Chuan Kwek
Format:	Article
Language:	English
Published:	MDPI AG 2021-05-01
Subjects:	PPT quantum metrology entanglement
Online Access:	https://www.mdpi.com/1099-4300/23/6/685

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