Relative entropy of coherence quantifies performance in Bayesian metrology

• Main Authors: Lecamwasam, Ruvi, Assad, Syed, Hope, Joseph J., Lam, Ping Koy, Thompson, Jayne, Gu, Mile
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2024
• Subjects: Physics; Quantum metrology; Relative entropy
• Online Access: https://hdl.handle.net/10356/181641
• Institution: Nanyang Technological University

The ability of quantum states to be in superposition is one of the key features that sets them apart from the classical world. This "coherence"is rigorously quantified by resource theories, which aim to understand how such properties may be exploited in quantum technologies. There has been...